We convene a special gathering of our elections podcast team to discuss Bernie Sanders’s surprise victory in Michigan on Tuesday. By most measures, it’s the biggest polling miss in a primary in modern political history. But will the result in Michigan change the dynamics — or delegate math — of the Democratic race?

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The FiveThirtyEight Elections podcast publishes Monday evenings, with occasional special episodes throughout the week. Help new listeners discover the show by leaving us a rating and review on Apple Podcasts. Have a comment, question or suggestion for “good polling vs. bad polling”? Get in touch by email, on Twitter or in the comments.