[Source: Andrew J. Shainker, Cronkite News Service] — Jack Edwards gives visitors to Red Rock State Park a handshake and hello along with a pamphlet on the park’s history. Louise Appleton leads visitors on moonlight walks. Those who sneak onto park grounds after hours will get a lecture from Don Swanson, who stays overnight in his trailer. This nature preserve, set beneath the spectacular cliffs overlooking Sedona, has several employees, but the three aren’t among them. The retirees are part of a crew of about 80 volunteers that keeps the park running. [Note: to read the full article click here.]