The reactions of various senior MPs asked were telling. Jack Straw and George Osborne feature.
Podcast of this edition of Newsnight not yet up at time of writing, usually available until tomorrow night's. Or watch:
THE MINISTRY OF TRUTH
BBC Two: Thu 11 Oct 7pm-8pm
Showing to accompany the 10 Why Democracy? films, Richard Symons' documentary examines the fact that people can't always rely on their elected representatives to tell the truth. But what if it was illegal for politicians to lie?