Think Out LoudHow shad and other species affect Pacific Northwest salmonBy Elizabeth Castillo (OPB)Feb. 15, 2022 5:55 p.m. Updated: Feb. 22, 2022 10:36 p.m.Broadcast: Tuesday, Feb. 15📨 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