By Casey Chalk, Crisis Magazine - Conservative Protestant intellectuals are concerned about their future in the American regime. “Roman Catholics have rapidly ascended to the pinnacle of cultural, intellectual, and political leadership,” write Brad Littlejohn and Chris Castaldo in their recent book Why Do Protestants Convert? When Americans today think of conservative Protestantism, the authors bemoan, they think not of luminaries such as Carl Trueman or Joshua Mitchell but of heavily politicized (and often embarrassing) MAGA evangelicals.