A controversial new system designed to reduce wait times for liver transplants. The difficult search for a liver donor.
Giffords moves home to Tucson
Former Representative Gabby Giffords has moved home to Tucson. She had been undergoing six to eight hours of therapy a day at a Houston facility after she was shot in the head in January 2011.
Her husband, retired astronaut Mark Kelly, told the Arizona Daily Star that Giffords will continue rehabilitation in Tucson.