In certain respects, the career of pop rocker Billy Squier can only be viewed as a failure. He was on the rise, he hit a fairly major speed-bump, and the wheels came off in a spectacular way. But judged by today’s standards, Squier was a hugely successful musician, in both commercial and critical terms, and even when he ‘failed’, he was still more successful than many of the current hit parade. Looking back, Squier’s story could have only happened in the 80s, and out of all the strange tales in rock and roll history, his is one of the only…