Listen to Episode No. 11 of the WeigelCast using the player below:

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In this week's episode, Slate political reporter David Weigel speaks with journalist (and Slate contributor) Sasha Issenberg, author of The Victory Lab: The Secret Science of Winning Campaigns, about the upcoming midterm elections. Issenberg weighs in on why political messages don't actually get voters to the polls, whether Democrats should be “fatalistic” about the midterms, and why the GOP fundamentally does not "get mobilization."

Email us at weigelcast@slate.com.