Going back to 1994, the president's party is batting 0.000 in defending open seats during midterms that the other party's prez candidate won in the election before. There are 8 such seats... or 35% of the seats Dems need to take back a majority. https://t.co/Jdrt5EGJBX

— (((Harry Enten))) (@ForecasterEnten) March 27, 2018