The Last Word with Lawrence O'Donnell 12/05/17

Mueller's latest move and Trump's 'red line'

Several news outlets report Mueller's team has subpoenaed Deutsche Bank for records related to Trump, but the president previously said Mueller probing his finances would cross a "red line." Jill Wine-Banks, David Cay Johnston & Ron Klain join Lawrence O'Donnell. ... more Duration: {{video.duration.momentjs}}