Yo, Adrian! This boxing movie won the Oscar as the best picture of 1976 — an award it didn’t really deserve, not in a year when the other nominees were All the President’s Men, Taxi Driver, Network and Bound for Glory. But you have to give it to Sylvester Stallone, who wrote the script, for refusing to sell it unless he got to play the lead, thus launching his movie-star career. And for those of us who live in and around Philadelphia, Rocky is a terrific snapshot of Philly