The Last Word with Lawrence O'Donnell 04/10/13

Sen. Feinstein: Assault weapons ban ‘will have a vote’

California's Senior Sen. Dianne Feinstein got it done before. But will she be able to get an assault weapons ban passed again? Sen. Feinstein tells MSNBC's Lawrence O'Donnell why she believes it's important to pass a new ban. ... more Duration: {{video.duration.momentjs}}