Musk’s Threat to Exact Delaware Revenge Runs Risk of Backfiring

Elon Musk is coming for Delaware again.

The world’s richest man, now slated to serve as a government efficiency czar for Donald Trump, has set his sights back on the only state where he’s faced a reckoning for flouting the rule of law. After a year-long online campaign against America’s corporate capital, he said after the election that he’ll wield his clout with the president-elect in favor of “corrective action” against “egregiously wrong legal judgments in a single state.”

The tech titan is nursing a $56 billion grudge against the chief judge of Delaware’s elite business court, who ...