Someone tell Keith Olbermann that the Apple - Samsung legal fight, about which he joked on Tuesday’s episode of Countdown and, curiously, linked to his piece on a NASA asteroid mission and on which he asked for the scientist guest’s uninformed opinion, that at issue is not the idea of a tablet computer but the specific design of their tablet computer: appearance and form-factor. It’s certainly fine to be frivolous, but is it so hard to be frivolous and well-informed?