A radicchio revolution is underway in the NorthwestBy Crystal Ligori (OPB)March 6, 2023 1 p.m.The purple leaves in your salad are ready to take center stage on your dinner plate. 📨 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