Who precisely is holding the Lib Dems captive in the coalition is unclear, as many Tories have likened their presence to a fart in an elevator. This in turn has left Insurers confused, as no one had ever demanded their release. Said one Tory: 'To be honest I hadn’t noticed the. What are their policies? There's the...um...and the...er...well...they've got a flying worm logo, does that count?’