Cabin John Regional Park is a peaceful picnic spot in Montgomery County that features one very unusual resident: an environmentally-conscious talking pig. Porky The Litter Eater has been entreating visitors to fill his chatty maw with refuse since the park opened in 1966. The push of a button located near his smiling face on the shack in which he resides is all the prodding he needs to start his pitch. After a couple of snorts and grunts, the low voice of one-time park caretaker Ted Gurney issues the following cheery…
