A portrait of shot U.S. congresswoman Giffords is placed at a memorial outside a hospital in Tucson

 
A portrait of shot U.S. congresswoman Giffords is placed at a memorial outside a hospital in Tucson
A portrait of shot U.S. congresswoman Gabrielle Giffords is placed at a memorial outside the hospital where she and other victims of Saturday's shootings are recovering in Tucson, Arizona January 9, 2011. Doctors were cautiously optimistic on Sunday about the condition of Giffords after a man shot her in the head and killed six people at a public event in Arizona. REUTERS/Rick Wilking (UNITED STATES - Tags: CRIME LAW POLITICS)