On foreign policy, trade and immigration, the Republican Party wants America to push the world away. This is a departure, but also a return to what the party used to believe. How did the Republican Party go from isolationism to internationalism and then back again? And what does that mean for America’s foreign policy?

John Prideaux hosts with Charlotte Howard and Idrees Kahloon. They’re joined by Kevin Roberts, president of the Heritage Foundation, and The Economist’s Edward Carr.

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