Barack Obama In London

Queen Elizabeth II sits with G20 leaders, April 1, 2009. Seated front left, Britain's Prime Minister Gordon Brown, and at right Brazil President Luiz Innacio Lula da Silva. Second row, Netherlands Prime Minister; South Africa President Kgalema Motlanthe; U.S. President, Barack Obama. Top from left, Thailand's Prime Minister, Abhisit Vejjajiva; Japan Prime Minister, Taro Aso; Italy's Prime Minister, Silvio Berlusconi.

Credit: AP Photo/Kirsty Wigglesworth