Gabrielle Giffords Doesn't Know Extent Of Arizona Shooting

Six weeks after Gabrielle Giffords was shot, her doctor tells CBS New that she's making remarkable progress and interacting with friends and family, but she still doesn't know exactly what happened to her. "She certainly knows that there's been a traumatic event here," said Pia Carusone, Giffords' chief of staff. "The… » 2/17/11 10:24am 2/17/11 10:24am