The National Rifle Association and Republicans in the state Legislature want to weaken Colorado's instant background check for gun purchases, and critics say the change could make it easier for criminals to get guns. The issue is what the Colorado Bureau of Investigation does when it finds a potential gun buyer has an arrest record, but can't tell if the person was convicted. Currently, the CBI blocks the gun sale until the person can prove he wasn't convicted. The... (GunPolicy.org)