A member of law enforcement salutes during the the "Together We Thrive: Tucson and America" event in...
A member of law enforcement salutes during the the "Together We Thrive: Tucson and America" event held to support and remember the victims of Saturday's mass shooting, at the University of Arizona in Tucson, Arizona, January 12, 2011 REUTERS/Eric Thayer (UNITED STATES - Tags: CIVIL UNREST POLITICS IMAGES OF THE DAY)