Young whippersnapper, Santa Cruz resident 18-year-old Matthew Rosenberg, called his mom on Monday to tell her he had "tripped, broke his leg and was lost" in the Santa Cruz Mountains. He was half right. What he didn't tell her was that he was also bombed out of his mind on hallucinogenic mushrooms and a wee bit of acid. Oh yeah, and that he didn't break his leg. An expensive rescue effort ensued, and Rosenberg......