THERE are few things quite as ex- as an ex-politician. They are lost souls, drifting spectrally around the margins of public life, pining for the unrequited love of the electorate.http://www.heraldscotland.com/news/16090800.Sketch__From_Bute_House_boss_to_Red_Square_busker__Eck___s_downhill_odyssey_continues/