Christian radio tycoon says the world will end May 21—and surprising numbers believe him. Ralph Workman believes what he hears on Christian radio. He believes preacher and Family Radio chief Harold Camping is right about Judgment Day. He believes the world is coming to an end May 21, 2011. An engineer at Boeing's avionics lab, Workman helps manage an RV caravan winding its way around the United States—from Indianapolis to Pittsburgh to Virginia—sharing the belief that biblical numbers point to the specific expiration date for the world. He also runs a website called eBible Fellowship, which distributes Camping's teachings. "I...