(Information courtesy of the U.S. Department of State)

John McCain is a senator representing Arizona. He served in Vietnam, where he was a prisoner of war for more than five years. McCain was also a presidential candidate in 2000. He has called for a "greater military commitment to Iraq," saying that more troops are necessary to rebuild the nation and prevent sectarian violence. McCain supports immigration reform legislation that would provide illegal immigrants a path to citizenship and establish a temporary guest worker program.

McCain was born August 29, 1936, in the Panama Canal Zone, where his father was serving in the U.S. Navy. He attended the U.S. Naval Academy. McCain has a wife, Cindy, seven children and four grandchildren.