The Last Word with Lawrence O'Donnell 08/03/15

Amy Schumer answers open letter on gun laws

Sarah Clements, a gun control advocate whose mother survived the Sandy Hook massacre, penned an open letter to comedian and actress Amy Schumer asking her to push for gun control. Schumer responded, 'Don't worry. I'm on it.' Clements joins Lawrence to ... more Duration: {{video.duration.momentjs}}