President Barack Obama, first lady Michelle Obama, German Chancellor Angela Merkel and her husband Joachim Sauer pose for photographs on the North Portico before a state dinner at the White House June 7, 2011 in Washington, DC. Merkel's visit was the first official visit by a European leader to the White House since Obama became president.
- [Alex Wong/AFP/Getty Images]

President Barack Obama waves as he is embraced by Indian Prime Minister Manmohan Singh after speaking during a joint press conference at Hyderabad House in New Delhi, India. The US President and the First Lady were on a ten day tour of Asia.
- [Daniel Berehulak/AFP/Getty Images]

President Barack Obama meets with Turkey's Prime Minister Recep Tayyip Erdogan during a bliateral meeting on September 20, 2011 at the Waldorf Astoria Hotel in New York.
- [Mandel Ngan/AFP/Getty Images]

President Barack Obama and South Korean President Lee Myung-bak arrive to speak at General Motors' Orion Assembly Plant October 15, 2011 in Lake Orion, Michigan. Obama and Lee visited the plant to promote a free trade agreement.
- [Bill Pugliano/AFP/Getty Images]

British Prime Minister David Cameron and President Barack Obama held a joint press conference at Lancaster House on May 25, 2011 in London.
- [Peter Macdiarmid/AFP/Getty Images]