Tonight on The Last Word: Democrats call for Pete Hegseth to resign over the Signal leak. Also, the race for the House seat vacated by Mike Waltz is closer than expected. Plus, Elon Musk is pouring millions into the Wisconsin Supreme Court race. And Republicans are scrambling as Democrats win special elections. Rep. Raja Krishnamoorthi, Barbara McQuade, Josh Weil, Ben Wikler, Pennsylvania State Sen.-elect James Malone, and Pennsylvania House Speaker Joanna McClinton join Symone Sanders.