The man who went on an apparent drug-fueled rampage — attacking at least four innocent pedestrians on the Upper East Side — was just released from prison last month and has 14 prior arrests, according to authorities and public records. Lavon Davis, 32, of the Bronx, was hit with multiple assault charges, as well as strangulation and criminal possession of a controlled substance, in connection to his Monday morning spree that lasted about a half-hour, cops said. Davis targeted his first victim, a 65-year-old man, just after 8 a.m. at East 96th Street and Second Avenue — punching him in...