As Tory MP Douglas Carswell defects to Ukip, will this prove disastrous for David Cameron? Mike Smithson, editor of PoliticalBetting.com, says Yes. The big consolation for David Cameron and his party is that, although Ukip did exceedingly well in the May European Parliament elections, it has struggled in other contests elsewhere where there was a different voting system. In the first past the post local elections, Ukip dropped 6 per [...]