Aaron Purmort was a mild-mannered art director by day, crime-fighting superhero by night. He was, in fact, Spider-Man. At least, that's what Purmort and his wife, Nora, would have you believe. Together, they wrote Purmort's obit before he died Nov. 25 after a long battle with cancer. Melissa Block talks to Nora McInerny Purmort to remember her late husband.