SYDNEY.- The Powerhouse Museum is bringing back the 80s with a spectacular exhibition opening on December 12 that will reveal the good and the bad about the decade vividly remembered for its over the top excess. The 80s are back will explore Australian life and popular culture in the 1980s, remembering the styles, trends and subcultures, and how they found expression in fashion, design, music, film and television. The 1980s shaped a generation. Australia was prosperous and expressing its emerging identity with confidence through a variety of flourishing cultural forms, said exhibition curator Peter Cox. It was a fertile time for new