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: Democrat Marie Gleusenkamp Perez won a House seat in a Trump district, pointing the way for others. Marc Cooper analyzes her current reelection campaign in southwestern Washington State, starting from the fact that she’s a working class woman in a rural area.

Plus: Kamala’s campaign is challenging the Republican conception of “freedom” as freedom from government regulation, advancing instead a positive conception of the government’s ability to protect and expand freedom. Eric Foner explains the history, and significance, of this conflict.