Check out the most recent edition of the Barna Update. It reads, "Atheists and agnostics are adopting a more aggressive, intentional effort to discredit the notion that God exists and to critique people of faith. Our latest study examines the numbers, lifestyles and self-perceptions of America's atheists and agnostics, comparing them to the group of individuals who actively participate in the Christian faith." To read more about the nation's population of atheists and agnostics, click here.