**FILE** Democratic candidate Ron Barber (right), who won an election to fill former Arizona Rep. Gabrielle Giffords' congressional seat, celebrates the victory on June 12, 2012, with Giffords and supporters at a post-election event, in Tucson, Ariz. (Associated Press)

Photo by: Ross D. Franklin

**FILE** Democratic candidate Ron Barber (right), who won an election to fill former Arizona Rep. Gabrielle Giffords' congressional seat, celebrates the victory on June 12, 2012, with Giffords and supporters at a post-election event, in Tucson, Ariz. (Associated Press)