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奥巴马

1961年8月4日出生于美国夏威夷州火奴鲁鲁，美国第44任总统，美国历史上第一位黑人总统。

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epa03366210 US President Barack Obama holds a surprise press conference in in the Brady Press Briefing of the White Office in Washington, DC, USA, 20 August 2012. The President spoke about his calls for Republican rival Mitt Romney to release his tax returns, GOP Representative from Missouri Todd Akin's comments on abortion, and the deteriorating situation in Syria. EPA/JIM LO SCALZO

epa03366210 US President Barack Obama holds a surprise press conference in in the Brady Press Briefing of the White Office in Washington, DC, USA, 20 August 2012. The President spoke about his calls for Republican rival Mitt Romney to release his tax returns, GOP Representative from Missouri Todd Akin's comments on abortion, and the deteriorating situation in Syria. EPA/JIM LO SCALZO

新闻独立靠边站拿到猛料最重要

有些美国记者为了得到信息渠道，不惜用新闻独立性为筹码，交换第一手资料。

US Wahl Obama Romney

US Wahl Obama Romney

美国总统选战正酣

在本周，奥巴马将被正式提名为民主党总统候选人。不过这位美国史上首位非裔总统谋求连任之路布满荆棘，很多支持者都对他大失所望。

epa02764933 US President Barack Obama speaks at Chrysler Group LLC Toledo Supplier Park in Toledo, Ohio USA on 03 June 2011. Fiat SpA agreed late 02 June to acquire the U.S. Treasury's stake in Chrysler for $560M, ending the Obama administration's involvement with the Auburn Hills, Michigan USA automaker. EPA/JEFF KOWALSKY

epa02764933 US President Barack Obama speaks at Chrysler Group LLC Toledo Supplier Park in Toledo, Ohio USA on 03 June 2011. Fiat SpA agreed late 02 June to acquire the U.S. Treasury's stake in Chrysler for $560M, ending the Obama administration's involvement with the Auburn Hills, Michigan USA automaker. EPA/JEFF KOWALSKY

奥巴马即将正式成为民主党总统候选人

奥巴马期待拥有第二次机会

美国民主党人会像4年前一样，再次推举奥巴马担任总统候选人。但是奥巴马是否一定会赢得下一届大选，恐怕没有人敢肯定地回答。在任期内，奥巴马让很多支持者感到失望。

FILE - In this April 24, 2012 file photo, a Cadillac CIEL is on display at the 2012 Beijing International Automotive Exhibition in Beijing. Luxury automakers rush to cash in on Chinese demand as sales surge despite economic slowdown. (Foto:Alexander F. Yuan, File/AP/dapd)

FILE - In this April 24, 2012 file photo, a Cadillac CIEL is on display at the 2012 Beijing International Automotive Exhibition in Beijing. Luxury automakers rush to cash in on Chinese demand as sales surge despite economic slowdown. (Foto:Alexander F. Yuan, File/AP/dapd)

奥巴马政府确定实施更严格耗油标准

奥巴马：阿姆斯特朗逝世美国失去一位英雄

Geschäftsmann schreibt geschäftsmann; schreibt; papier; stift; hände; schreiben; unterzeichnung; verträge; business; dokument; skizzieren; erläutern; anleiten; hand; ausbildung; ausfüllen; bewerten; antwort; kaukasisch; büro; deal; vertrag; ehevertrag; financial; firmen; fragebogen; hemd; kaufmann; lernen; mann; meeting; männlich; pen; probe; schreibarbeit; schreibtisch; schriften; text; tisch; umfrage; zeichen

Geschäftsmann schreibt geschäftsmann; schreibt; papier; stift; hände; schreiben; unterzeichnung; verträge; business; dokument; skizzieren; erläutern; anleiten; hand; ausbildung; ausfüllen; bewerten; antwort; kaukasisch; büro; deal; vertrag; ehevertrag; financial; firmen; fragebogen; hemd; kaufmann; lernen; mann; meeting; männlich; pen; probe; schreibarbeit; schreibtisch; schriften; text; tisch; umfrage; zeichen

多数德国人看好奥巴马

President Barack Obama speaks in the White House briefing room in Washington, Monday, Aug. 20, 2012. (AP Photo/Pablo Martinez Monsivais)

President Barack Obama speaks in the White House briefing room in Washington, Monday, Aug. 20, 2012. (AP Photo/Pablo Martinez Monsivais)

奥巴马向叙利亚政府发出警告

美国白宫态度明确的向叙利亚发出警告：如果阿萨德政权动用化学武器，美国可能会军事干预叙利亚冲突。

A soldier from a U.S. Army Fox Chemical Reconaissance team of the Tenth Cavalry Division stands up wind at a distance determined safe, at a site containing suspicious drums full of unknown liquid, outside Baiji, Iraq, Monday, April 28, 2003. On Sunday, U.S. military chemical weapons experts examined the site, which in preliminary tests pointed to the possible presence of nerve gas, according to a U.S. field commander. (AP Photo/Brennan Linsley)

A soldier from a U.S. Army Fox Chemical Reconaissance team of the Tenth Cavalry Division stands up wind at a distance determined safe, at a site containing suspicious drums full of unknown liquid, outside Baiji, Iraq, Monday, April 28, 2003. On Sunday, U.S. military chemical weapons experts examined the site, which in preliminary tests pointed to the possible presence of nerve gas, according to a U.S. field commander. (AP Photo/Brennan Linsley)

叙利亚当局讥嘲奥巴马

U.S. President Barack Obama addresses a news conference in the White House Briefing Room in Washington, March 6, 2012. REUTERS/Larry Downing (UNITED STATES - Tags: POLITICS)

U.S. President Barack Obama addresses a news conference in the White House Briefing Room in Washington, March 6, 2012. REUTERS/Larry Downing (UNITED STATES - Tags: POLITICS)

奥巴马警告叙政府勿跨越生化武器“红线”

epa03271312 A man takes pictures at the Spanish stock market in Madrid, Spain, next to a screen that shows of the European premium risk figures on 18 June 2012. The Spanish premium risk rose to 575, the highest figure since the start of the euro in 2002, after the figures dropped at the start of the trading day. Accordng to experts, despite the Greek election results gave a first positive drop, the markets continue distrusting the Spanish financial system. EPA/CHEMA MOYA +++(c) dpa - Bildfunk+++

epa03271312 A man takes pictures at the Spanish stock market in Madrid, Spain, next to a screen that shows of the European premium risk figures on 18 June 2012. The Spanish premium risk rose to 575, the highest figure since the start of the euro in 2002, after the figures dropped at the start of the trading day. Accordng to experts, despite the Greek election results gave a first positive drop, the markets continue distrusting the Spanish financial system. EPA/CHEMA MOYA +++(c) dpa - Bildfunk+++

奥巴马同拉霍伊电话磋商债务危机

A union members jacket is seen next to a banner for the euro during a demonstration outside of an EU summit in Brussels on Monday, Jan. 30, 2012. The eurozone crisis will dominate an EU summit on Monday, with an emphasis on growth and budget discipline. (Foto:Virginia Mayo/AP/dapd)

A union members jacket is seen next to a banner for the euro during a demonstration outside of an EU summit in Brussels on Monday, Jan. 30, 2012. The eurozone crisis will dominate an EU summit on Monday, with an emphasis on growth and budget discipline. (Foto:Virginia Mayo/AP/dapd)

奥巴马促欧洲采克服欧元危机“决定性措施”

Republican presidential candidate, former Massachusetts Gov. Mitt Romney speaks to the VFW convention at the Reno-Sparks Convention Center in Reno, Nev., Tuesday, July 24, 2012 before a major foreign policy address before he embarks on an international trip. (Foto:The Sacramento Bee, Jose Luis Villegas/AP/dapd) MAGS OUT; TV OUT; MANDATORY CREDIT

Republican presidential candidate, former Massachusetts Gov. Mitt Romney speaks to the VFW convention at the Reno-Sparks Convention Center in Reno, Nev., Tuesday, July 24, 2012 before a major foreign policy address before he embarks on an international trip. (Foto:The Sacramento Bee, Jose Luis Villegas/AP/dapd) MAGS OUT; TV OUT; MANDATORY CREDIT

罗姆尼要求外交政策转变

美国共和党候选人罗姆尼希望通过出国访问为自己的竞选加分。

Mitt Romney, U.S. Republican presidential candidate and former Massachusetts governor, addresses a crowd of supporters during a rally at Lansing Community College in Lansing, Michigan May 8, 2012. REUTERS/Rebecca Cook (UNITED STATES - Tags: POLITICS) //Eingestellt von wa

Mitt Romney, U.S. Republican presidential candidate and former Massachusetts governor, addresses a crowd of supporters during a rally at Lansing Community College in Lansing, Michigan May 8, 2012. REUTERS/Rebecca Cook (UNITED STATES - Tags: POLITICS) //Eingestellt von wa

罗姆尼要求实现“美国世纪”

罗姆尼暂时不会访问德国

美国演员摩根·弗里曼捐赠100万美元给奥巴马

In this photo provided by ABC News, Treasury Secretary Henry Paulson appears for an interview with George Stephanopoulos on ABC's This Week, in Washington, Sunday, Sept. 21, 2008. (AP Photo/ABC News, Fred Watkins) ** MANDATORY CREDIT FRED WATKINS ABC NEWS NO SALES NO ARCHIVE**

In this photo provided by ABC News, Treasury Secretary Henry Paulson appears for an interview with George Stephanopoulos on ABC's This Week, in Washington, Sunday, Sept. 21, 2008. (AP Photo/ABC News, Fred Watkins) ** MANDATORY CREDIT FRED WATKINS ABC NEWS NO SALES NO ARCHIVE**

美国前财长呼吁美中改善关系

美国前财长保尔森本周二表示，世界上两个最大的经济体应该改善关系。

U.S. President Barack Obama speaks at a campaign event at Dobbins Elementary School in Poland, Ohio July 6, 2012. Obama is on a two-day campaign bus tour of Ohio and Pennsylvania. REUTERS/Kevin Lamarque (UNITED STATES - Tags: POLITICS)

U.S. President Barack Obama speaks at a campaign event at Dobbins Elementary School in Poland, Ohio July 6, 2012. Obama is on a two-day campaign bus tour of Ohio and Pennsylvania. REUTERS/Kevin Lamarque (UNITED STATES - Tags: POLITICS)

奥巴马将继续对中产阶层减税

President Barack Obama speaks at Dobbins Elementary School in Poland, Ohio, Friday, July 6, 2012. Obama is on a two-day bus trip through Ohio and Pennsylvania. (AP Photo/Susan Walsh)

President Barack Obama speaks at Dobbins Elementary School in Poland, Ohio, Friday, July 6, 2012. Obama is on a two-day bus trip through Ohio and Pennsylvania. (AP Photo/Susan Walsh)

就业形势严峻奥巴马选情失利

"中国牌"在美国选战中依然好使

美国总统奥巴马宣布，白宫政府向世贸组织投诉中国对价值30多亿美元的美国汽车征收不当关税。有人评价说，奥巴马选择这个时机是为选战拉票。多年来，美国大选期间竞选人打"中国牌"几乎已经成了一种惯例。

President Barack Obama, left, shakes hands with Russian Prime Minister Vladimir Putin during a meeting at Novo Ogaryovo, Tuesday, July 7, 2009, in Moscow. (AP Photo/Haraz N. Ghanbari)

President Barack Obama, left, shakes hands with Russian Prime Minister Vladimir Putin during a meeting at Novo Ogaryovo, Tuesday, July 7, 2009, in Moscow. (AP Photo/Haraz N. Ghanbari)

普京总统上任后首次会晤奥巴马

Saudi's new Crown Prince Nayef bin Abdel-Aziz attends a ceremony of Saudi armed forces as they prepare for the influx of people to participate in the annual Hajj, in Arafat,15 kms outside of Mecca, Saudi Arabia, Tuesday, Nov. 1, 2011. Security is a major concern during the pilgrimage by Islam's devout to the holy sites of Saudi Arabia. The Hajj will begin on November 5. (Foto:Hassan Ammar/AP/dapd)

Saudi's new Crown Prince Nayef bin Abdel-Aziz attends a ceremony of Saudi armed forces as they prepare for the influx of people to participate in the annual Hajj, in Arafat,15 kms outside of Mecca, Saudi Arabia, Tuesday, Nov. 1, 2011. Security is a major concern during the pilgrimage by Islam's devout to the holy sites of Saudi Arabia. The Hajj will begin on November 5. (Foto:Hassan Ammar/AP/dapd)

奥巴马对沙特王储病逝表示哀悼

FILE - In this June 4, 2012 file photo, President Barack Obama speaks in New York. (Foto:Carolyn Kaster, File/AP/dapd)

FILE - In this June 4, 2012 file photo, President Barack Obama speaks in New York. (Foto:Carolyn Kaster, File/AP/dapd)

奥巴马将于墨西哥会晤胡锦涛

全球看好奥巴马连任

如果全世界人民都有投票权,那奥巴马连任的胜算很大。

Handshake © Rob #40343434

Handshake © Rob #40343434

“美国眼中的新邪恶帝国”

《明镜》认为，美国将中国视作新的“邪恶帝国”，两国之间紧张关系升级

Presidential candidate Senator Benigno "Noynoy" Aquino III flashes the "L" sign (for Laban meaning Fight) during a live televison program Tuesday, May 4, 2010 in a sports stadium in Manila, Philippines. Aquino, an opposition senator and son of the country's denocracy icon the late President Corazon Aquino, has widened lead over his closest rivals in the race for presidency, an independent survey said. (AP Photo/Pat Roque)

Presidential candidate Senator Benigno "Noynoy" Aquino III flashes the "L" sign (for Laban meaning Fight) during a live televison program Tuesday, May 4, 2010 in a sports stadium in Manila, Philippines. Aquino, an opposition senator and son of the country's denocracy icon the late President Corazon Aquino, has widened lead over his closest rivals in the race for presidency, an independent survey said. (AP Photo/Pat Roque)

菲律宾总统访美

菲律宾与中国因南海岛屿主权出现争执之际，菲律宾总统阿基诺三世访问美国。

ARCHIV - Ein fast leerer Luftballon mit dem Zeichen der Europäischen Union (EU) liegt am 28.08.2011 in Dresden in einer Pfütze. Eines der G8-Gipfel-Themen wird die Euro-Schuldenkrise sein. Der G8-Gipfel in Camp David 2012 findet vom 18.05.2012 bis 19.05.2012 unter US-amerikanischem Vorsitz durch Präsident Barack Obama in Camp David statt. Foto: Arno Burgi dpa (zu dpa-Themenpaket «G8- und Nato-Gipfel in den USA» vom 14.05.2012) +++(c) dpa - Bildfunk+++

ARCHIV - Ein fast leerer Luftballon mit dem Zeichen der Europäischen Union (EU) liegt am 28.08.2011 in Dresden in einer Pfütze. Eines der G8-Gipfel-Themen wird die Euro-Schuldenkrise sein. Der G8-Gipfel in Camp David 2012 findet vom 18.05.2012 bis 19.05.2012 unter US-amerikanischem Vorsitz durch Präsident Barack Obama in Camp David statt. Foto: Arno Burgi dpa (zu dpa-Themenpaket «G8- und Nato-Gipfel in den USA» vom 14.05.2012) +++(c) dpa - Bildfunk+++

奥巴马与默克尔、蒙蒂通话呼吁增强欧元区抗压性

Former U.S. President Bill Clinton speaks during a panel meeting on HIV/AIDS at United Nations headquarters, on Thursday, June 9, 2011. The meeting launched plans for a new anti-HIV effort aimed at combatting the virus. (Foto:Bebeto Matthews/AP/dapd)

Former U.S. President Bill Clinton speaks during a panel meeting on HIV/AIDS at United Nations headquarters, on Thursday, June 9, 2011. The meeting launched plans for a new anti-HIV effort aimed at combatting the virus. (Foto:Bebeto Matthews/AP/dapd)

克林顿预言奥巴马胜选蝉联

八国峰会：景色宜人新意不多

本次八国集团峰会在美国总统的乡村官邸戴维营举行。这里空气清新，景色宜人。因此从放松身心的角度而言，各国与会首脑显然是大有收获，但是就会谈内容本身而言，结果就并不那么乐观了。

epa03180285 US Secretary of State Hillary Clinton turns away from the podium after delivering remarks following the G8 ministerial meeting, in the Benjamin Franklin State Dining room at the State Department in Washington DC, USA, 12 April 2012. Foreign Ministers of the Group of Eight leading industrialized nations met in Washington to discuss a variety of issues including North Korea's missile launch plans, the outbreak of violence in Syria and nuclear talks with Iran. The G8 summit will be held at Camp David, outside Washington, next month. EPA/MICHAEL REYNOLDS

epa03180285 US Secretary of State Hillary Clinton turns away from the podium after delivering remarks following the G8 ministerial meeting, in the Benjamin Franklin State Dining room at the State Department in Washington DC, USA, 12 April 2012. Foreign Ministers of the Group of Eight leading industrialized nations met in Washington to discuss a variety of issues including North Korea's missile launch plans, the outbreak of violence in Syria and nuclear talks with Iran. The G8 summit will be held at Camp David, outside Washington, next month. EPA/MICHAEL REYNOLDS

G8峰会开幕奥巴马称将携手对抗非洲饥荒

In this May 8, 2012, photo, President Barack Obama speaks at the Asian Pacific American Institute for Congressional Studies dinner in Washington. Obama’s campaign is trying an "all of the above" strategy against Mitt Romney. It is criticizing the Republican’s character, wealth and policy positions in attacks that may become more focused as the fall election nears. (Foto:Carolyn Kaster/AP/dapd).

In this May 8, 2012, photo, President Barack Obama speaks at the Asian Pacific American Institute for Congressional Studies dinner in Washington. Obama’s campaign is trying an "all of the above" strategy against Mitt Romney. It is criticizing the Republican’s character, wealth and policy positions in attacks that may become more focused as the fall election nears. (Foto:Carolyn Kaster/AP/dapd).

奥巴马批评欧洲应对危机不力

In this May 8, 2012, photo, President Barack Obama speaks at the Asian Pacific American Institute for Congressional Studies dinner in Washington. Obama’s campaign is trying an "all of the above" strategy against Mitt Romney. It is criticizing the Republican’s character, wealth and policy positions in attacks that may become more focused as the fall election nears. (Foto:Carolyn Kaster/AP/dapd).

In this May 8, 2012, photo, President Barack Obama speaks at the Asian Pacific American Institute for Congressional Studies dinner in Washington. Obama’s campaign is trying an "all of the above" strategy against Mitt Romney. It is criticizing the Republican’s character, wealth and policy positions in attacks that may become more focused as the fall election nears. (Foto:Carolyn Kaster/AP/dapd).

奥巴马支持同性恋婚姻

Wei Jingsheng at the hearing on China's recent crackdown on dissent Picture description: Wei Jingsheng Location of taking: Rayburn House, Washington DC Time of taking: 5/13/2011 Name of the Photograph: Youran

Wei Jingsheng at the hearing on China's recent crackdown on dissent Picture description: Wei Jingsheng Location of taking: Rayburn House, Washington DC Time of taking: 5/13/2011 Name of the Photograph: Youran

魏京生指责奥巴马当局

epa03199885 Undated handout image provided by ChinaAid of blind Chinese legal activist Chen Guangcheng (R) with his family. Chen Guangcheng is under US protection in Beijing following a dramatic escape from house arrest, according to rights group ChinaAid, 28 April 2012. EPA/www.ChinaAid.org BEST QUALITY AVAILABLE +++(c) dpa - Bildfunk+++

epa03199885 Undated handout image provided by ChinaAid of blind Chinese legal activist Chen Guangcheng (R) with his family. Chen Guangcheng is under US protection in Beijing following a dramatic escape from house arrest, according to rights group ChinaAid, 28 April 2012. EPA/www.ChinaAid.org BEST QUALITY AVAILABLE +++(c) dpa - Bildfunk+++

陈光诚：“处境危险”

President Barack Obama and Afghan President Hamid Karzai sign a strategic partnership agreement at the presidential palace in Kabul, Afghanistan, Wednesday, May 2, 2012. (Foto:Charles Dharapak/AP/dapd).

President Barack Obama and Afghan President Hamid Karzai sign a strategic partnership agreement at the presidential palace in Kabul, Afghanistan, Wednesday, May 2, 2012. (Foto:Charles Dharapak/AP/dapd).

奥巴马突访阿富汗

为安全没有事先宣布，奥巴马5月2日凌晨突访阿富汗。

Afghan security forces members inspect the site of a car bomb attack in Kabul May 2, 2012. At least six people were killed in the suicide car bomb attack in the Afghan capital on Wednesday, officials said, hours after U.S. President Barack Obama left Kabul following an unannounced visit during which he signed a strategic partnership agreement. REUTERS/Omar Sobhani (AFGHANISTAN - Tags: CIVIL UNREST CRIME LAW)

Afghan security forces members inspect the site of a car bomb attack in Kabul May 2, 2012. At least six people were killed in the suicide car bomb attack in the Afghan capital on Wednesday, officials said, hours after U.S. President Barack Obama left Kabul following an unannounced visit during which he signed a strategic partnership agreement. REUTERS/Omar Sobhani (AFGHANISTAN - Tags: CIVIL UNREST CRIME LAW)

塔利班：袭击是表达反对奥巴马

奥巴马突访阿富汗

罗姆尼挑战奥巴马

罗姆尼又赢得五州初选，现在其选战焦点对准了真正的对手奥巴马

epa03178005 A member of the Colombian Police walks past flags of participating nations as he patrols at a fortified complex in Cartagena, Colombia, on 10 April 2012, during security preparations for the Summit of Americas on 14 and 15 April . EPA/Mauricio Duenas

epa03178005 A member of the Colombian Police walks past flags of participating nations as he patrols at a fortified complex in Cartagena, Colombia, on 10 April 2012, during security preparations for the Summit of Americas on 14 and 15 April . EPA/Mauricio Duenas

美洲国家峰会周末举行

Former Pennsylvania Sen. Rick Santorum turns to his wife Karen, left, after announcing he is suspending his candidacy for the presidency, Tuesday, April 10, 2012, in Gettysburg, Pa. (Foto:Gene J. Puskar/AP/dapd)

Former Pennsylvania Sen. Rick Santorum turns to his wife Karen, left, after announcing he is suspending his candidacy for the presidency, Tuesday, April 10, 2012, in Gettysburg, Pa. (Foto:Gene J. Puskar/AP/dapd)

桑托勒姆宣布退选

属极端保守派阵营的前联邦参议员桑托勒姆宣布退出共和党总统初选

President-elect Barack Obama gets out of his vehicle before boarding a plane at the Philadelphia International Airport, Tuesday, Dec. 2, 2008, in Philadelphia, Pa. (AP Photo/Pablo Martinez Monsivais)

President-elect Barack Obama gets out of his vehicle before boarding a plane at the Philadelphia International Airport, Tuesday, Dec. 2, 2008, in Philadelphia, Pa. (AP Photo/Pablo Martinez Monsivais)

奥巴马：大选关乎国家取向

奥巴马在选战民意调查中保持领先

** RETRANSMISSION TO CORRECT SPELLING of MIDDLE NAME ** FILE - In this image released May 7, 2003, Khalid Sheikh Mohammed, al-Qaida's No.3, operational leader, and alleged Sept. 11 mastermind, is seen shortly after his CIA capture during a raid in Pakistan March 1, 2003. Months later Mohammed acknowledged knowing his one-time protege, Abu Ahmed al-Kuwaiti, but denied he was an al-Qaida figure of any importance. The CIA suspected a lie and reasoned that if they could find al-Kuwaiti, they could find bin Laden. Al-Kuwaiti, who had become one of al-Qaida's most important couriers, eventually and unwittingly led the agency to Osama bin Laden's doorstep in Pakistan. (AP Photo/File).

** RETRANSMISSION TO CORRECT SPELLING of MIDDLE NAME ** FILE - In this image released May 7, 2003, Khalid Sheikh Mohammed, al-Qaida's No.3, operational leader, and alleged Sept. 11 mastermind, is seen shortly after his CIA capture during a raid in Pakistan March 1, 2003. Months later Mohammed acknowledged knowing his one-time protege, Abu Ahmed al-Kuwaiti, but denied he was an al-Qaida figure of any importance. The CIA suspected a lie and reasoned that if they could find al-Kuwaiti, they could find bin Laden. Al-Kuwaiti, who had become one of al-Qaida's most important couriers, eventually and unwittingly led the agency to Osama bin Laden's doorstep in Pakistan. (AP Photo/File).

911主谋将面临军事法庭审判

奥巴马会晤胡锦涛谈朝鲜

奥巴马将与普京磋商核裁军

美国总统奥巴马视察三八线

President Barack Obama speaks during a news conference at the conclusion of the Nuclear Security Summit in Washington, Tuesday, April 13, 2010. (AP Photo/Susan Walsh)

President Barack Obama speaks during a news conference at the conclusion of the Nuclear Security Summit in Washington, Tuesday, April 13, 2010. (AP Photo/Susan Walsh)

奥巴马前往韩国出席核安全峰会

U.S. President Barack Obama (R) introduces Dartmouth College President Jim Yong Kim (C) as his nominee to be the next president of the World Bank, in the Rose Garden of the White House in Washington, March 23, 2012. Alongside Kim is Secretary of State Hillary Clinton (L). REUTERS/Jason Reed (UNITED STATES - Tags: POLITICS BUSINESS)

U.S. President Barack Obama (R) introduces Dartmouth College President Jim Yong Kim (C) as his nominee to be the next president of the World Bank, in the Rose Garden of the White House in Washington, March 23, 2012. Alongside Kim is Secretary of State Hillary Clinton (L). REUTERS/Jason Reed (UNITED STATES - Tags: POLITICS BUSINESS)

韩裔大学校长被提名世行行长

韩裔大学校长被提名世行行长

奥巴马将访问朝韩边境