It’s tradition for the next campaign to begin as soon as the election is over. And so it will be this year, with one major difference for the Republican Party: It’s not clear who’s going to run all these campaigns, and yet staffing is key to securing primary and general election victories. The floodgates will be opened as soon as this week for tons of GOP candidates, and consultants from outside of Trumpworld, to enter the arena ahead of the 2024 presidential contest. Some, such as South Dakota Gov. Kristi Noem and Arkansas Sen. Tom Cotton, have already begun stealth campaigns, doing “Trump”- and “party”-boosting events on the 2020 campaign trail (not so coincidentally, in Iowa and New Hampshire). But who, in the end, will run — and whom will they hire? After all, the GOP is at an unusual crossroads. Typically, the outgoing campaign reveals a number of consultant and staffer “stars” who, if not actual celebrities, are so highly regarded for their skill set that they enter the next contest in extraordinarily high demand. But exiting the Trump era will be different. Unlike previous GOP campaigns, the 2016 and 2020 Trump campaigns have been dominated — micromanaged, even — by the president, his immediate family, and his trusted inner circle, many of whom come from outside the traditional political establishment (and a number of whom were unceremoniously fired, indicted, or otherwise discarded). This...