Gary Marbut isn't aiming to eliminate federal gun laws. He just wants to make them much less relevant. Marbut, president of the Montana Shooting Sports Association, is one of the leaders of a new grassroots movement that's seeking to invoke the principle of states' rights — including states' own authority to regulate firearms — to thwart what he and his allies view as an increasingly overreaching federal government. Politicians in Washington have "assumed power... (GunPolicy.org)