At this moment, weeks shy of the 2024 election, the polls are showing that the race between Trump and Harris is neck and neck. It’s tight nationally. It’s tight in all the swing states. If you think you know who’s going to win, you’re going on gut, not numbers. So what good are polls this year? In Eric's class at the University of Chicago, he put the question to guest speaker Jocelyn Kiley, senior associate director, US politics and public opinion at the Pew Research Center. It turns out that...