We can know that the Christian God cannot exist. If he is all-powerful and all-good, as Christians maintain, there would not have been, for instance, the Holocaust. This is an inherent self-contradiction. So if Christians insist on having a God, they can do so, but if they have any respect for logic they'll have to redefine who he is.
As a trial lawyer in front of a jury and an author of true-crime books, credibility has always meant everything to me. My only master and my only mistress are the facts and objectivity. I have no others.
I've actually had a copilot come out of the cockpit on a trip from L.A. to New York and ask me about Charles Manson.
For the life of me, I still don't understand why humans pray.
I am more excited about 'Divinity of Doubt: The God Question' than any other book in my entire career, and I've had seven New York Times bestsellers, three of them reaching number one.
I, for one, can't be sure at all there is a God.