Every campaign season has its winners and its losers?—?but there are some people who win no matter what happens.

Political consultants are considered a necessity in today’s elections, and about half of all money spent in campaigns is going through consultants, whether their candidate wins or loses.

Adam Sheingate, a professor at Johns Hopkins University, explores the world of political consultants in his new book “Building a Business of Politics: The Rise of Political Consulting and the Transformation of American Democracy.” And he tells Jimmy that business is booming.

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