There is a ton of stuff all over about this and it depends on who you read. I admit, there is a tug of war going on. If you look at the makeup of religion in all of Congress, it is by far predominantly Christian, and heck Christians have been at odds with each other since the Reformation.
http://www.theatlantic.com/politics/archive/2014/05/the-myth-of-a-war-on-religion/371438/
There is a ton of stuff all over about this and it depends on who you read. I admit, there is a tug of war going on. If you look at the makeup of religion in all of Congress, it is by far predominantly Christian, and heck Christians have been at odds with each other since the Reformation.