Democrat Barack Obama, the junior senator from Illinois, has made headlines recently by talking about religion and politics. In the process, he has alienated Democrats and Republicans alike: Democrats were offended when he said “not every mention of God in the public square is a breach to the wall of separation,” and conservative Republicans were outraged when he kept referring to religious conservatives as “those people” and described them as “heavy-handed.” Democrats were just as uneasy as Republicans when he argued that his political party ought to make a place in public discourse for religious rhetoric and a place in...