Among the Republican operatives preparing for Donald Trump’s fiercely anticipated, increasingly inevitable 2024 announcement, news of this week’s F.B.I. raid on Mar-a-Lago was more than an unprecedented political outrage—it was also an incredible electoral opportunity. The one thing that reliably unifies the G.O.P., after all, is the perception that their institutions and values are under attack from the left. And what better enemy is there—in the post-Comey, post-Mueller, post-Russiagate environment—than armed agents of Joe Biden’s Justice Department executing a search warrant of the former president’s home over something as inconsequential as, say, a dozen boxes of improperly-stored classified documents?