Dave Wasserman @Redistrict
Perhaps the best news for Biden is he's maintaining his strength among seniors (65+), who made up 24% of '16 voters in AZ/FL/MI/NC/PA/WI vs. just 21% elsewhere. Biden is up 50-45 among seniors in the August polls, vs. 50-44 in June/July. Trump badly needs to change this. — PolitiTweet.org