PHOENIX — The Arizona Legislature is considering a bill to designate a historic Colt revolver the official state firearm, angering gun-control activists who denounced the measure as insulting and a waste of time when the state is facing serious economic problems. The measure comes less than two months after the deadly shooting in Tucson that killed six and wounded Rep. Gabrielle Giffords, a former Arizona legislator. The mass shooting has prompted gun-control... (GunPolicy.org)