How about for next year's Sports Relief Hansen and Lawrenson are the linesmen and Lineker the ref for a game - with cameras covering it from every angle. Then a panel of refs could dissect their decisions. No - maybe this is one for Comic Relief.
There was a brief experiment in football with the 'dissent = move the free kick 10 yards nearer' rule a few years ago. I don't remember the competition, but I imagine it was the equivalent at that time of the JPT, and I remember Albion scoring from a free kick that had been moved forward. But it...