A specter is haunting the Republican Party — the specter of Donald Trump. Like Banquo’s ghost, Trump’s shade would not go down. Now it has returned to exercise once more its infernal dominion over the GOP. A sign of how much Trump still spooks Republicans is the speed with which, on the one hand, they began lining up behind him as he surged in the polls following his indictment by Manhattan District Attorney Alvin Bragg and, on the other, scurried like rats from Trump’s rival apparent, Gov. Ron DeSantis (R-FL), as his poll numbers consequently sagged. Thanks to these dual blows, DeSantis has been deluged with a cascade of media reports that he’s “stumbling,” “faltering,” “in a rut,” “facing headwinds,” “wobbling,” and “scuffling.” REPUBLICAN VOTERS ARE A LONG WAY FROM MAKING UP THEIR MINDS The...