One in six voters, pollsters say, are “still unsure of their choice.” What do people mean when they say they are “undecided”? Rick Perlstein says political writers have failed to understand the undecideds—and what Kamala might do to win their votes.

Also: Pennsylvania is the state where this year’s election may well be decided—and where nearly two-thirds of voters don’t have college degrees. Eyal Press went to Pennsylvania to find out what working class people there are thinking about and talking about in this election.