When Twitter tells me to ask my MP to sign an early day motion, I am always filled with scepticism. I doubt the impact of the EDM. It's quite good on small things that one MP cares about passionately and the rest don't (measures to protect a kipper smokery from EU legislation), but if it seriously attempts to subvert or quicken a mainstream policy, parliament will find a way to put it in its place. Plus there is a video to watch of a kitten with a cigarette.

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