Last Friday night (March 22), March Madness was in its televised glory. And Taylor Swift was singing and strumming at Time Warner Cable Arena. Despite such competition, Christ Episcopal Church managed to draw 1,100 people. The attraction: A doctor describing his time in heaven. Not just any doctor. Sitting on stage, answering questions from the Rev. Chip Edens, the church’s rector, was Dr. Eben Alexander. He’s a Charlotte native who wrote “Proof of Heaven: A Neurosurgeon’s Journey into the Afterlife.” His book is such a mega-seller that he has talked to Oprah – and Universal Pictures won a bidding war...