“One Nation.” It means so many things to so many people that even Ed Miliband felt able to briefly adopt its mantle while Labour leader. Inside the Conservative Party, it has become a sort of meaningless short-hand for social liberals or those squeamish about the “culture wars.” But really, One Nation Toryism was about a rejection of laissez-faire economics and a belief in the power of government to forge a stronger, more cohesive and more conservative British society.