You would not expect the Warwickshire showground of the Royal Agricultural Society of England to be the scene of protests and threatened arrests, still less of offensive T-shirts. But so it was on 15 May at the Pig and Poultry Fair. Mark and Gary Prescott wore T-shirts proclaiming: "Maff banned us and Defra doesn't care", and on their backs: "Maff passed a stupid law in haste and Defra won't pay [...]