Former Surgeon General, and Tucson resident, Richard Carmona answers medically-related questions as Pima County Sheriff Clarence Dupnik, center, and FBI Special Agent in Charge Nathan Gray, right, ... more 
Former Surgeon General, and Tucson resident, Richard Carmona answers medically-related questions as Pima County Sheriff Clarence Dupnik, center, and FBI Special Agent in Charge Nathan Gray, right, look on at a news conference, Saturday, Jan. 8, 2011, in Tucson, Ariz. Rep. Gabrielle Giffords of Arizona was shot in the head Saturday by a gunman who opened fire outside a grocery store during a meeting with voters, killing a federal judge and four others in a rampage that rattled the country and left politicians fearful for their safety. less 
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Associated Press | Photo By Chris Morrison
Mon, Jan 10, 2011 9:44 AM EST