
Nate Cohn @Nate_Cohn
Most (though not all, to be fair: 2014 for ex) of the cases where the president's party loses a lot of ground between now and the midterm feature some pretty poor circumstances, like an ambitious and unpopular legislative agenda, or a mediocre economy/war (1966, 1982, 1994, 2010) — PolitiTweet.org