Boobs. That’s what men on the street stopped to talk to Kari Johnson about when she was painting the “4th and Monroe” mural. What’s wrong with her boobs? Hey, she’s missing a boob! They would holler. The year was 1991, and Johnson was painting her first Eugene mural on a residential building in the Whit, featuring, at its focal point, a nude elder who has undergone a mastectomy.