JOHNNY RZEZNIK doesn’t drink anymore. Johnny says he doesn’t want to be like Elvis and die face down. You have to understand Johnny. He’s only 27, but has been on his own for nearly half his life. His parents died when he was 15. “I brought myself up,” Johnny says. “I had good parents, and even though they weren’t around, they were always an influence on me.” Johnny endures the pitfalls of life by adhering to his personal philosophy: “Just stay cool.” Johnny is part of rock ‘n’ roll’s lost generation, the one that grew up in the post-Beatles, post-Stones, post-Zeppelin, classic-