The diminutive songstress who played a high school dropout on “Glee” and originated the role of Glinda in “Wicked” is just as comfortable talking about her Christian faith as she is her support for gay rights. In a recent interview with The Advocate, she explained how she can hold both dear to her heart. “I read my Bible and I pray and all of that. I really do,” she told the gay-interest publication. “But at the same time, I don’t think being gay is a sin. Period.”Chenoweth, 43, who grew up in Oklahoma’s Bible belt, cited her grandmother as inspiration.....Asked...