The Last Word with Lawrence O'Donnell 01/04/17

To resist Trump, Dems call Obamacare repeal 'Trumpcare'

President Obama rallies Congressional Democrats to not make it easy on Republicans and to defend Obamacare. Democrats also plan to block any Supreme Court nominee who isn't "mainstream." Ari talks to Eugene Robinson and Howard Dean. ... more Duration: {{video.duration.momentjs}}