VENICE (Reuters) – Spike Lee's film about the making of Michael Jackson's 1987 album "Bad" may border on hagiography at times, but live footage and the singer's attention to detail when at the peak of his powers are a reminder of why he remains the "King of Pop". The two-hour documentary called "Bad 25", which has its world premiere at the Venice film festival on Friday, is a familiar mix of talking heads – choreographers, producers and stars – and film of concerts, rehearsals and music videos. …