This week, Donald Trump announced that he wants Republican National Committee chair Ronna McDaniel replaced with a loyalist: Michael Whatley, the head of the North Carolina Republican Party. Behind the jockeying looms a very big story: The Trump-MAGA takeover of the GOP, and the challenges the party faces as it nominates someone facing multiple criminal indictments. We talked to Marc Caputo, a reporter for The Bulwark and author of a great new piece on McDaniel’s ouster, who helped us unravel the mysteries of GOP politics in the MAGA era.

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