Mark Oppenheimer writes the biweekly Beliefs column for The New York Times. He also writes for The New York Times Magazine, The Nation, The Forward, Tablet, and Mother Jones. He is the author of three books, in-cluding Knocking on Heaven’s Door: American Religion in the Age of Coun-terculture and Thirteen and a Day: The Bar and Bat Mitz-vah Across America. Join us for a live reading from the from…