Former Facebook COO Owen Van Natta is the frontrunner to replace Chris DeWolfe as MySpace CEO. Blog lordling Jason Calacanis has been jokingly nominated for the News Corp. gig. Here's who should get it.

It's a day of high intrigue at Facebook headquarters, with CFO Gideon Yu leaving abruptly. So why was former COO Owen Van Natta, who left last year, spotted walking out of a Facebook office?

Be careful what you wish for. Owen Van Natta, the former Facebook COO who left the social network in February, has gotten the CEO job he said he wanted — as the new chief of Project Playlist, an online-music startup. (It's been widely reported that MySpace wooed him to run its MySpace Music spinoff. He also had…