BY FROMA HARROP U.S. Rep. Jason Chaffetz proudly championed a measure last spring that bans whole-body imaging as a primary screening technique at airports. “You don’t have to look at my wife and 8-year-old daughter naked to secure an airplane,” the Utah Republican said. As a matter of fact, you do. The very technology that makes Chaffetz so indignant might have detected the bag of powerful explosives sewn into alleged terrorist Umar Farouk Abdulmutallab’s underwear. […]