PURPLE LIVES ON Former The Zeros guitarist Joe Normal goes A to Z with Metal Sludge   LOS ANGELES, California — Purple power will live on forever in California, particularly on the Sunset Strip — former playground for zany glam band the Zeros, who for a brief run in the late-80s were kings of the sand box. Yes, the band made a great CD and toured America back and forth a few times, but alas[…]