The Last Word with Lawrence O'Donnell 10/01/15

‘There has to be an outrage… we’re at war’

After yet another mass shooting, this time at Umpqua Community College in Roseburg, Oregon, MSNBC’s Lawrence O’Donnell talks to shooting witness, Kristen Brady, and two fathers who’ve lost children to gun violence, Andy Parker and Richard Martinez. ... more Duration: {{video.duration.momentjs}}