Inside the Republican Party, a class war is playing out between the pro-Trump base, which is ready for the nomination fight to be over, and the anti-Trump donor class, which thinks it’s just getting started.Astead Herndon, a political correspondent for The Times and the host of “The Run-Up,” explains the clash.Guest: Astead W. Herndon, a political correspondent and host of The Run-Up for The New York Times.Background: 

• Listen to “The Run-Up” on tensions between big Republican donors and the party base.
• Former President Donald J. Trump said donors to Nikki Haley, his remaining Republican rival, would be “barred from the MAGA camp.”

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