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

Intel agencies could disprove Trump claims

Trump began the day questioning the intel agencies, who will release the report they believe proves Russia’s meddling in the election. But in 2014, Trump tweeted "Russia is much more dangerous" than many think. Evan McMullin and Charlie Sykes join Ari Melber. ... more Duration: {{video.duration.momentjs}}