Royal Visit: Prince Harry Comes to Washington-- PICTURES

Britain's Prince Harry greets wounded soldiers during a reception at the British ambassador's residence in Washington on May 7. He met members of the British and American teams who are taking part in the Warrior Games; the Games is an event hosted every year by the U.S. Olympic Committee.  (AP Photo/Susan Walsh)

Britain's Prince Harry talks with Jill Biden (left) and British Ambassador Peter Westmacott (second from right) and his wife, Susie Nemazee, during a reception at the British ambassador's residence on May 7.  (AP Photo/Susan Walsh)

Britain's Prince Harry helps plant an October Glory Maple tree during a reception for wounded soldiers at the British ambassador's residence in Washington on May 7. British Ambassador Peter Westmacott watches at right.   (AP Photo/Susan Walsh)

The motorcade of Britain's Prince Harry arrives at the Atlantic Council Awards Dinner in Washington on May 7. (AP Photo/Charles Dharapak)

Prince Harry enters the Atlantic Council Awards Dinner on May 7.  (AP Photo/Charles Dharapak)

 Prince Harry is presented the Atlantic Council's 2012 Distinguished Humanitarian Leadership award by former Secretary of State Colin Powell on May 7. (AP Photo/Haraz N. Ghanbari)