What's old is new again. Or, is it that content is still king? We could never keep those Web 2.0 arguments straight, but from the sound of this latest YouTube rumor, ol' Mountain View might be moonwalking into an old media model. According to the Wall Street Journal, Google's been hustling to get contracts for a lineup of regularly scheduled channels ironed out "within the next 60 days." That sort of timeline would indicate a likely early 2012 bow for a refresh of the online video hub made famous by piano-playing cats, and a certain