This is why the religious right lost the battle on gay marriage. They erroneously believed that the common American value system was their religious beliefs. It wasn't. Our nation's value system is a belief -- often inconsistently held, but one held nonetheless -- that individual rights and individual liberty matter.
Sen. Mark Pryor's ad is a cautionary tale about the fact that, as he himself has said, the intersection of faith and politics can be difficult to navigate. It can come across as saying, "vote for me because I'm a Christian," a message that fails to respect America's constitutional ideals and growing religious pluralism.