As the Prime Minister has a stay of execution after the pork pie plot came to nothing, today allegations are flying that Tory whips have been using unsavoury methods to threaten wavering MPs into line. Christian Wakeford, the newly defected Labour MP to Bury South, says that whips threatened to withdraw funding from a local school; while William Wragg claims that MPs have been blackmailed with information about their private lives. But how much of this is true, and how much, as some in SW1 are saying today, is this just a part of being a whip?