Tonight on The Last Word: The Justice Department slams Donald Trump’s attempts to delay its investigation. Also, the Senate Judiciary Committee plans to investigate allegations that Trump’s Justice Department meddled in the U.S. attorney’s office in NYC. Plus, Sen. Sheldon Whitehouse delivers a series of speeches to highlight the right-wing “scheme” to capture the Supreme Court. And Ukraine recaptures territory from fleeing Russians. Neal Katyal, Bradley Moss, Sen. Sheldon Whitehouse and Timothy Snyder join Lawrence O’Donnell.