** FILE ** This Pulitzer Prize winning black-and-white photo by Associated Press photographer Paul Vathis shows President John F. Kennedy, left, and former President Dwight D. Eisenhower with their heads bowed as they walk along a path at Camp David in Thurmond, Md. in April 22, 1961, as the two met to discuss the Bay of Pigs invasion. The 1962 Pulitzer Prize winning photograph was displayed Friday, Jan. 18, 2008, at the National Portrait Gallery in Washington. (AP Photo/Paul Vathis, File)