SpAd turned politician Nick Clegg’s pre-election promise to stop advisers being paid for by the taxpayer looks even emptier than ever today. Fun-loving Emma Gilpin-Jacobs becomes his 20th taxpayer-funded SpAd, appointed Clegg’s director of communications. The LibDems now have an average of five SpAds per cabinet minister, double the average of the Tories. At a total cost to the taxpayer of well over a million pounds a year. Government of the SpAds, by the SpAds, for the SpAds…