In her first conference speech as the Tory's new leader in 1975, the grocer’s daughter from Grantham, Margaret Thatcher, asserted her conviction in a ‘property-owning democracy’.Although Thatcher didn't conceive the saying – (that credit belonged to Conservative MP Noel Skelton in 1923), it encapsulated what she thought Britain should be.Through prudence, saving and hard work, she believed that...