Poor Portland, Oregon. The city that wants to “keep weird,” just can’t catch a break — they’ve had protests and violence for the past twenty months. And on Saturday it happened again.

The teams were from the right and left of the political spectrum, and here’s how they matched up:

On the right were the groups “Patriot Prayer” and the “Proud Boys.” Apparently the founder of Patriot Prayer, Joey Gibson, is running for Senate from neighboring Washington State, which is a quite a tall order since WA is just as deep blue as Oregon. But, they did get the proper permits to rally on Portland’s Waterfront Park. Joining Patriot Prayer were the Proud Boys, who call themselves “Western Chauvinists.” Now maybe these groups were legitimately trying to promote a candidate. Or maybe they were trolling the Left. Who knows?

But extremists on the left just couldn’t leave things alone. So the group “PopMob,” short for “Popular Mobilization,” showed up to counter-troll Patriot Prayer. Now you can pretty much guess that any group with the word “mob” in its name is out for trouble. And they had their support groups, too — immigrant rights groups and labor unions, also looking for trouble.

At first both sides complied by marching on their designated sides of the street, with the police in the middle of the street, separating them....