leg warmer “ALTHOUGH Conservatives revere the memory of Margaret Thatcher, they have mostly abandoned her style of politics. The conviction that reforms must be driven through even when they are highly unpopular; the vision of politics as a ceaseless struggle against one’s enemies; the stark dividing of society between decent, aspirational folk and the idle of all social classes—such things went out with leg warmers. But they sometimes resurface, no more so than in welfare policy.” 1『the stark dividing of society between decent ,aspirational folk and the idle of all social classes-such things went out with leg warmers』 ,in this sentence,what does the 『the idle of all social classes』，『leg warmer "、』mean ？ Benefits treat http://www.economist.com/news/special-report/21647793-expect-even-bigger-changes-welfare-system-benefits-treat via Instapaper