How Americans Can Stand Against Extremism

Whoever shot the small steel ball through the front window of the Brewmaster’s Taproom in Renton, Wash., this month wasn’t taking chances. The person wore a mask and removed the front and rear license plates of a silver Chevrolet Cruze. The police still have no leads.

The bar’s owner, Marley Rall, thought the motivation seemed clear: The attack followed social media posts from conservatives angry about the bar’s Drag Queen Storytime and Bingo, slated for the following weekend.

The Taproom sits in a two-story office park a 15-minute drive from...