AI Summary

In most of the nation’s 435 congressional districts, the general election is largely a foregone conclusion because the seats are considered safe for one party or the other. In these districts, the primary election usually decides who will go to Congress. A new book co‑authored by a researcher from the Annenberg Public Policy Center of the University of Pennsylvania shows that voters are rarely the most important influence on the outcome of those primaries. The study suggests that organized groups play a larger role in determining the candidates who win.

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