US Senator, author, presidential candidate and now movie star--Senator John McCain makes his feature film debut in 'Wedding Crashers.' And not since Richard Nixon appeared on 'Laugh In' has politics made a stranger set of bedfellows.The New Line film follows the exploits of two divorce mediators, played by Owen Wilson and Vince Vaughn, as they charm their way into one wedding after another.Their goal: the bed bridal attendants whose inhibitions have been worn down by champagne, tight shoes and bridal envy. In one montage, Owen and Wilson are seen throwing down giggly scantily clad women one after another.Not the most...