Okay, let me say right up front that a) I know that headline is provocative, and b) neither I nor anyone can answer the question with any certainty given what we know and don't know so far about Michael Jackson's death. But the question needs to be asked. It needs to be asked because suspicions that prescription painkillers may have been involved in Jackson's death are strong enough that the federal Drug Enforcement Administration has been brought into the investigation. And we know that he had a…