The Last Word with Lawrence O'Donnell 04/25/13

Pro-gun, gun safety groups gear up for 2014

The NRA and the gun lobby may have won the latest legislative battle, but gun safety groups are promising to target the senators running in 2014 who voted against gun background checks. MSNBC's Lawrence O'Donnell talks to MSNBC.com's Frank Smyth about ... more Duration: {{video.duration.momentjs}}