Actually, we did. Like most Americans, sadly, you know nothing of history beyond, say, 1980 or some such. If you did know some history, you would know that - before the enactment of the Constitution - most states had their dominant sect, and those not in that sect were *legally* persecuted and often killed. Check out the history of the Baptists and Quakers in early New England for one example. Or, how about the Christian justifications for the genocide against American Indians. If you want to get even more recent, check out the legal filings in Loving vs Virginia where lines of Christian preachers submitted tons of briefs, all saying that their Christian God had deemed that black people were inherently inferior and not worthy of any basic human rights. Yeah, you Christians are really, really superior to other religions....