It was a security breach and a big embarrassment for the Transportation Security Administration. A secret manual that tells airport screeners around the country how to do their jobs somehow wound up on line for all the world to see. It detailed who should be screened, how often bags are checked for explosives, how to deal with CIA agents traveling with high-value intelligence assets - even provided images of various special identification cards, as CBS News correspondent Bob Orr reports. The breach reveals some of the government's most sensitive aviation security secrets. A 93-page manual prepared for federal airport screeners...