Two months have passed since six people were killed and a dozen injured in a gun attack in Tucson, Arizona, directed at Congresswoman Gabrielle Giffords. The BBC's Paul Adams looks at where the debate over gun control now stands in the state. Outside Safeway, at the junction of Oracle and Ima, in northern Tucson, almost all traces of the tragedy have gone. Across the busy highway, a simple line of white crosses, each bearing the name of a victim, stands out against a... (GunPolicy.org)