Sen. McCain concedes presidency to Sen. Obama in Phoenix, Arizona

Republican presidential candidate Sen. John McCain (R-AZ) and his wife Cindy wave as they depart after he delivered his concession speech at the Arizona Biltmore Hotel in Phoenix, Arizona on November 4, 2008. Sen. Barack Obama (D-IL) will be the United States 44th and first African-American president. (UPI Photo/Alexis C. Glenn)