Tonight on the Last Word: Democratic Sen. Ben Ray Luján’s stroke could affect a 50-50 Senate. Also, Michigan Republicans suggest bringing guns to voting sites and unplugging voting machines. Plus, a state trooper who was praised by Fox after quitting over a vaccine mandate dies from Covid. New Orleans is the first public school district in the U.S. to mandate the Covid vaccine for students age 5 and older. And Irish fishermen stand their ground against Vladimir Putin and the Russian Navy. Neal Katyal, Steve Schmidt, Rep. Haley Stevens, Henderson Lewis and Patrick Murphy join Lawrence O’Donnell.