Tonight on The Last Word: President Biden takes on "MAGA extremists" in his 2024 announcement video. Also, Speaker Kevin McCarthy is aiming for a vote on the debt ceiling bill this week. Plus, the trial starts in the civil rape case against Donald Trump. And Trump allies reportedly considered using stolen voting data to try to decertify the 2021 Georgia Senate runoff. Rep. James Clyburn, David Plouffe, Gene Sperling, Jane Manning, Faith Gay and Andrew Weissmann join Ali Velshi.

Tonight on The Last Word: Mike Pence is considered a key witness in Jack Smith's probe. Also, Trump's lawyer cross-examines E. Jean Carroll. Plus, young Democrats are sparking "hope" amid GOP extremism. And young voters will be crucial for Democrats in 2024. Rep. Eric Swalwell, Barbara McQuade, Faith Gay, Adam Klaskfeld, Rep. Summer Lee, Amanda Litman and Cristina Tzintzún Ramirez join Ali Velshi.