With partially nude photos of her popping up on Web sites questioning her Christian credentials, Miss California USA Carrie Prejean has fired back, claiming the racy pictures are just modeling shots and vowing to continue her battle against same-sex marriage. “I am a Christian, and I am a model,” Prejean said in a statement released overnight to the media. “Models pose for pictures, including lingerie and swimwear photos. Recently, photos taken of me as a teenager have been released surreptitiously to a tabloid Web site that openly mocks me for my Christian faith. I am not perfect, and I will...