"It was a lot to take in as a 6-year-old. The concept of dangerous air was, at that stage, terrifying — and, for that reason, cemented a memory in my brain that still hangs on today. ... Certainly, I’m not the only one with memories of June 30, 1992, when up to 50,000 residents of the Superior and Duluth area were evacuated due to a dangerous toxic cloud stemming from a train derailment less than 10 miles south of the area."