Most Mormons have long suspected what three political science professors have confirmed: Increased knowledge about Mormons and their faith helps remove stigma attached to them. That news comes as the nation's highest-ranking Mormon risks his political future on heath care reform. Writing in USA Today, Professors David E. Campbell, John C. Green and J. Quin Monson, wrote "Americans still have a bias against Republican Mitt Romney, according to a study conducted during last year's election. Not a political bias, but a religious one. The good news: When people understood his Mormon faith, the bias melted away. The trio teach political...