http://www.cnn.com/2012/03/20/travel/airport-toddler-video/index.html?hpt=hp_t3 You know to prevent terrorists from killing us.
I would rather see a plane get blown up now and then than have the 4th amendment thrown in the trash. This country survives hurricanes and tornadoes every year, it can survive the occasional underwear bomber. But, then, I'm weird -- I'm one of those kooks who supports Ron Paul. Most Americans want perpetual debt and perpetual war, and think that Washington, D.C. is their Mommy who will feed them, house them, and make them safe.