PoliticsHow Oregon was a testing ground for Jan. 6 attack on U.S. CapitolBy Jonathan Levinson (OPB)June 21, 2022 12 p.m. Updated: June 21, 2022 4:32 p.m.For years, extremist groups have used Portland to refine their message and tactics. Now they’ve gone mainstream.📨 Daily news in your inboxSign up today for OPB’s “First Look” – your daily guide to the most important news and culture stories from around the Northwest.EmailPlease leave this field blankSign up