His body not yet even begun to revert to its component plastics and silicone parts, Michael Jackson will be returning to theaters this October just in time for Halloween. Rising from the dead is This Is It, a documentary of behind the scenes footage of the rehearsals for the massive London concerts that Jacko was preparing when he ceased functioning. The trailer is here now, and of course it gives no indication of actually being about something, or of offering a peek behind the facade of this sad, strange, fucked up guy. Just a messianic bit of hagiography.