Among the many moving parts of elections, the behavior of undecided voters can be among the toughest to suss out. Some don’t make up their minds until the last few days of a campaign, even on the last day. Some never do and either don’t vote at all or skip over voting for that office. …
This year, the undecideds broke moderately back toward Trump, making the race closer than it seemed to be earlier, but not enough to save him from losing five states he won in 2016—Arizona, Georgia, Michigan, Pennsylvania, and Wisconsin—as well as Nebraska’s 2nd Congressional District. In congressional elections, the undecideds clearly broke toward Republicans, with some who cast ballots for Biden coming back over to vote for GOP candidates for the House and Senate. CONTINUED
Charlie Cook