Over the past few decades, the bestselling author of Hitch-22 has crisscrossed the globe debating religious scholars, Catholic clergy, rabbis, and devout Christians on the existence of God -- appearances that have attracted thousands of people on both sides of the issue. He has been invited to talk shows and events to discuss everything from the death of Jerry Falwell to the sainthood of Mother Teresa, from U.S. policy in the Middle East to...