Sign up for Executive Dysfunction, a newsletter that highlights one under-the-radar story each week about how Trump is changing the law—or how the law is pushing back. You’ll also receive updates on the latest from Slate’s Jurisprudence team. President Donald Trump’s revenge campaign of criminal prosecutions against his political enemies is showing no signs of stopping. Just this past week brought new indictments against former FBI Director James Comey, who earned the president’s ire for his role in the Russia investigation, and the Southern Poverty Law Center, whose work fighting hate groups has irked the political right. It is possible these...