U.S. President Barack Obama, Britain’s Queen Elizabeth II, Prince Philip and Duchess of Cornwall, left, look on during a state banquet in Buckingham Palace, London, on Tuesday May 24, 2011. President Barack Obama immersed himself in the grandeur of Britain’s royal family Tuesday, as Queen Elizabeth II welcomed him to Buckingham Palace for the first day of a state visit. (AP Photo/Lewis Whyld, Pool)