Twitter Must Cleanse the Trump Stain

“Please delete those tweets,” the widower begged in a letter last week to Twitter’s chief executive, Jack Dorsey. “My wife deserves better.”

Yes, Twitter, Lori Klausutis certainly does deserve better, nearly two decades after she died in a tragic accident that has morphed into a macabre and continuing nightmare for her husband, Timothy Klausutis.

The boogeyman plunging him and the family of his late wife into the very worst of memory holes is a conspiracy-theory-loving, twitchy-fingered and often shameless tweeter who also happens to be the president of the United...