FTA: America is the most religious country in the developed world. And a lot of people here are NOT down with atheists. Check this out: 40% of Americans wouldn't vote for an atheist for president. 44% wouldn't want their kid to marry one. 45% say belief in God is necessary to have good values. But the number of non-believers is on the rise. Is religion on its way out? And do you really need religion to live a moral life?