Curtis Wittwer was somewhat reluctant to see a film about two cowboys in love. The 64-year-old retired state worker, who saw "Brokeback Mountain" with his girlfriend Tuesday night, said he doesn't ordinarily seek out gay-themed movies. Still, he counted five reasons for seeing the film: It's a western, it's directed by Ang Lee, the screenplay is co-written by Larry McMurtry and it's been getting rave reviews. Plus, he was egged on after reading a New York Times piece by Larry David in which the comedian satirically complains that watching the movie could turn him gay. "It was just a beautiful...