Tonight on The Last Word: In a new filing, Jack Smith calls out Trump's lawyers in the classified documents case. Also, the Supreme Court plans to hear the Trump ballot case arguments on Thursday. Plus, President Biden wins the South Carolina Democratic primary with 96% of votes. And Joy Reid discusses her new book, "Medgar & Myrlie: Medgar Evers and the Love Story That Awakened America." Andrew Weissmann, Bradley Moss, Neal Katyal, and Simon Rosenberg also join Lawrence O'Donnell.