After 31 years of painting Pittsburgh, a lot of people ask me which one of the paintings is my favorite. I always answer that it’s a no-brainer – “Coasting Through Kennywood” is the hands-down winner because I filled it with so many happy memories, secret messages, and beloved family and friends. It seems like just yesterday, on my very first visit to Pittsburgh (and to Kennywood) in 1977, when a much-younger Tom and I stood on the bridge overlooking the lagoon, watching people paddling around in the old aluminum boats. (Does anyone else still remember the aluminum dust that would…