Wearing dark glasses, Republican presidential candidate, Sen. John McCain, R-Ariz., smiles as he arrives at his chartered plane on Sunday, May 18, 2008, in Newark, N.J. McCain, 71, appeared on the late-night TV show "Saturday Night Live" the night before and poked fun at his age in a comedy sketch. U.S. Sen. John McCain, R-Ariz., signs a "Wedding Crashers" movie poster for a high school newspaper editor, Tuesday, Oct. 17, 2006, in Sioux Falls, S.D. McCain, who made a cameo appearance in the 2005 film, spoke at the Sioux Falls Area Chamber of Commerce's 100th anniversary dinner.