First Family McCain

The McCain family. "Nightline" co-anchor Cynthia McFadden sat down with John McCain's wife, Cindy McCain (center), his daughter, Meghan, (far right) and his mother, Roberta, (not pictured) in an exclusive interview and found out just how much of a role they play in the Arizona senator's campaign. (

A young John McCain, seen here in a Naval Academy photo.(

John and Cindy McCain on their wedding day, May 17, 1980.(

Cindy McCain on a mission trip in Cambodia with HALO Trust. HALO (Hazardous Area Life-Support Organization) is a British and American nonprofit working to remove the debris left behind after wars, such as land mines.(

Cindy McCain introducing her husband, Republican Presidential candidate Sen. John McCain (R-AZ) to the audience during a town hall meeting at the National Constitution Center June 11, 2008 in Philadelphia, Pennsylvania. (William Thomas Cain/Getty Images)