Airport Travel Starts Smoothly, With No Sign of Delays From Scanner Protests

National Opt-Out Day, a protest ignited by new passenger-screening techniques at airports, appeared to fizzle as security lines moved smoothly with many passengers walking through full-body X-ray machines with few issues. Frank Cilluffo, director of the Homeland Security Policy Institute, says that because people don't see the intelligence, they may not realize the threat of terrorism is real and persistent.