Facebook's leadership: Time for an update?

The ongoing privacy controversy at Facebook raises the familiar dilemma of what to do when fast-growing startups threaten to outgrow the management abilities of creative young founders.

The Google guys got kudos for bringing in industry veteran Eric Schmidt as CEO, but things didn't work out as well when Pepsi's John Sculley took the reins from a young Steve Jobs at Apple. What's the leadership wisdom here?