He once refused to have sex with a dead body. "As they pulled you out of the oxygen tent, you asked for the latest party." By 1974 the glam rock party was waning, and one of its progenitors David Bowie was immersing himself in art rock and a concept album about a dystopian future. 'Diamond Dogs' still rocked in a glamorous kind of way though. New details about David Bowie's life have emerged in an upcoming biography, 'David Bowie: A Life'. The book, written by …