British Prime Minister David Cameron, left, hosts a breakfast meeting with Vice President Joe Biden at the British Embassy in Washington, Tuesday, July 20, 2010. (AP Photo/J. Scott Applewhite)

Photo by: J. Scott Applewhite

British Prime Minister David Cameron, left, hosts a breakfast meeting with Vice President Joe Biden at the British Embassy in Washington, Tuesday, July 20, 2010. (AP Photo/J. Scott Applewhite)