US President Barack Obama, center, back to camera, greets King Abdullah of Saudi Arabia, center, before the official G20 leaders group photo with Britain’s Queen Elizabeth II at London’s Buckingham Palace, Wednesday, April 1, 2009. (AP Photo/John Stillwell/pool)
US President Barack Obama, center, back to camera, greets King Abdullah of Saudi Arabia, center, before the official G20 leaders group photo with Britain’s Queen Elizabeth II at London’s Buckingham Palace, Wednesday, April 1, 2009. (AP Photo/John Stillwell/pool)