Watch out, "American Idol." San Francisco's first "Gay Pride Idol" makes her debut at today's big parade and rally -- only guess what? She's not gay. Or lesbian, bisexual or transgender, for that matter. She's straight. And boy, are some people ticked. "It is a huge slap in the face," fumed one losing "Pride Idol" contestant. "Completely outraged," another Pride-proud woman from Corte Madera wrote in an e-mail to parade organizers. "This should have been an opportunity for someone . . . who lives their life as a Queer and feels the joys and the pain of being Queer." Those...