DENVER — In Colorado, a state scarred by two mass shootings, Democrats passed some of the nation's toughest gun legislation this year. Gun rights supporters responded by recalling two state senators who had championed the bills. Now gun-control advocates are plotting their revenge. Inside a hotel conference room here this week, 60 activists spent a day strategizing to defend the remaining legislators who voted for the measures and protect them from repeal efforts.... (GunPolicy.org)