Tonight on The Last Word: Polling shows that 64% of Americans believe abortion should be legal in some or all cases. Also, Missouri House Republicans vote to cut library funding. Plus, tempers reportedly flared among Tennessee Republicans over the expulsion of Black Democratic lawmakers. And the "Tennessee Three" inspire young people to run for office. Sen. Tina Smith, Brittany Packnett Cunningham, Jennifer Rubin, MO State Rep. Peter Merideth, Katie Earnhart, TN State Rep. Justin Jones, Rev. Mark Thompson, Peniel Joseph and Amanda Litman join Jonathan Capehart.