Conservatives are quick to embrace religious figures who agree with them on issues like abortion, same-sex marriage, and the right of business owners to deny contraception coverage to their employees."God is a Republican" might as well be their slogan, and church attendance is one of the best indicators of partisan loyalty. In 2012, 58 percent of voters who attended worship services weekly voted for Mitt Romney.But there's a catch. Faith leaders are certainly not immune to political calculation, but they tend to be more interested in principle than partisanship.