How exactly does one come up with a killer idea for a TV pilot? Not only have all the good ideas been taken, they’ve been rehashed, span-off, re-made, re-imagined, re-worked flogged, revived and flogged again. And mostly, they’ve got Hugh Laurie in. Having examined the recent US small-screen output, we’re pretty confident we can see patterns emerging… The question is, which ones should you bother with?