Never before has a radio soap crossed so far over from fiction and into the real world. Never before has it become imperative to listen to each and every episode of The Archers (just after 7 p.m. on Radio 4, every day except Saturday) as if by being there, listening in on the ether, we can in some way stand alongside Helen Titchener and defend her from her poisonous husband Rob as he tries to entangle her further in his stifling, controlling web.