It was the heavyweight clash that had the music industry holding its breath. Frank Sinatra , the King of the Rat Pack, who had conquered not just the charts but Broadway and Hollywood, was at the peak of his powers. And now, on his 1960 TV special he was about to share a stage with the man who was stealing his empire: Elvis Presley . Sinatra, who died on May 14 1998, had launched the feud by slamming Elvis in a magazine article, branding rock and roll "the most brutal, ugly, degenerate, vicious