Gabrielle Giffords Resigns from Congress Via YouTube

Arizona Rep. Gabrielle Giffords has resigned from Congress just a year after being shot in the head at an event outside a Tuscon supermarket. Preoccupied with her physical rehabilitation, Giffords explains in the video that it's best if she steps down despite previous speculation in the wake of her speedy recovery… » 1/22/12 2:50pm 1/22/12 2:50pm