If there was ever a time that theatrical movie trailers were made in such a way as to be considered an art of their own, that era seems to have gone the way of the handwritten letter. Or the letter, for that matter. If you've seen the trailer for The Guard , you've heard its main character, Sergeant Gerry Boyle (Brendan Gleeson) spout the likes of, "I thought only black lads were drug dealers...and Mexicans." That decided bit of political incorrectness spoken to visiting FBI agent Wendell Everett (Don Cheadle), who happens to be a black man. Later, while the two are discussing Everett's privileged upbringing back in the states, "You know, summer in the Hamptons, skiing in Aspen," Gerry lobs back, "I thought black people couldn't ski...or is that swimming?" The unconventional sergeant had earlier explained away his behavior at the briefing where he first met Everett, "I'm Irish sir, racism is part of my culture." Of...