It was July 3, 2002. I reclined in a chair on the beach of St. George Island, Florida, reading Numbers: A Bible Commentary for Teaching and Preaching, by Dennis Olson. I would be willing to bet I was the only person on that beach-okay, any beach-reading that wonderful book. Two college-aged students meandered between the Gulf waters and me. One glanced at the cover of my book and remarked to her friend, "You've got to be pretty bored to read...