Guardian: In the MPs’ expenses controversy there is plenty to entertain and horrify, but the question that nags away unanswered is a very simple one: how did they feel entitled to make all these claims on the public purse? For a group of politicians who have been meticulously exacting in their calculations of benefit levels or pensions, how on earth did they feel they could extend such largesse to themselves? Entitlement is the word that persists through the parallel story of the role in the …