-- George Washington
Look into the writings of demographers John Judis and Ruy Texeira. The fastest growing religion in America is Unbelief. (Judis and Texeira capitalize the "U" because they believe it's as much a religion as Christianity.) By 2015, Unbelief will be the largest religion in America, exceeding Catholicism in magnitude. It's the "religion" of the latest great awakening.
If you're wondering why the Republican Establishment is ditching its old base for a new one, this is your answer. It's why Jeb Bush will be the 2016 nominee.