Lawrence: If Nixon was "our long national nightmare," Davos proves Trump is the world's nightmare now

Tonight on The Last Word: Donald Trump gives a rambling 70-minute speech at the World Economic Forum. Also, the Trump Justice Department subpoenas Minnesota Democrats after the ICE killing. And the House Oversight Committee plans to depose Ghislaine Maxwell on February 9. Rep. Brendan Boyle, Mary Moriarty, and Rep. Ro Khanna join Lawrence O’Donnell.