The mayor of Portland, Oregon, struck a new tone on April 23 as he called for residents to help “unmask” people behind the continued violence in the state’s largest city. In his most urgent appeal yet, Mayor Ted Wheeler encouraged whoever has information about the self-described anarchists who are committing crimes in late-night riots to contact the police. The rabble-rousers often show up to their so-called direct action events in cars. If anyone spots a license plate on one of the vehicles, they can give that information to the authorities, he said. “Our job is to unmask them, arrest them, and prosecute them. I want to personally thank neighbors, family, friends, and others who have come forward with vital evidence. People know who these criminals are. They know what they’re up to,” Wheeler said during a virtual briefing. The mayor also made it clear he wasn’t asking people to become violent. …