Mitch McConnell’s Opposition to Federal Election Security Is Hitting Home

Don Blevins, Jr., has a lot to think about. In his job as the clerk of Fayette County, home to Lexington, the University of Kentucky, and more than 240,000 registered voters, he’s in charge of making sure elections happen securely and accurately. “There’s a lot of hand wringing over the Russians, there’s hand wringing from the far right about illegal immigrants voting and all that,” but Blevins says he’s more worried “about Americans cheating than anybody.”

Blevins cites a range of possible disruptions—from bomb threats to jamming the internet connections...