The Last Word with Lawrence O'Donnell 12/20/17

After tax bill, signs GOP could face 'historic' losses in 2018

Indivisible founder Ezra Levin predicts "unexpected" and "historic" GOP losses in 2018 as a new poll shows Democrats have their biggest lead in congressional elections in 20 years. Ex-Obama Press Secretary Josh Earnest says opinion of the bill will only get worse. ... more Duration: {{video.duration.momentjs}}