By PAT EATON-ROBB, Associated Press NEWPORT, Rhode Island (AP) — The Newport Folk Festival, known for creating electrifying musical moments — the most famous being Bob Dylan's decision to plug in his guitar in 1965 — this weekend has a small outer stage that is being powered in part by festival-goers on stationary bicycles. The Bike Stage is the brainchild of the band Illiterate Light, an environmentally