Lawrence: Trump's case for a GOP candidate, 'I examined his ass,' is another example of his madness

Tonight on The Last Word: Donald Trump is forced to campaign in Kansas amid record low polls. Also, Elon Musk pours millions into Texas GOP races. Plus, Trump says, “Russia has been fine on Ukraine.” And South Carolina early voting begins in a key Senate Race. Adam Hamilton, Texas State Rep. Gina Hinojosa, Sen. Sheldon Whitehouse, and Sen. Raphael Warnock join Lawrence O’Donnell.