She, more than anyone else, revived London as an international city of finance and commerce. The reason? Light regulation, loose immigration laws, liberal labor laws … and human nature. It’s amazing what government can do when it chooses to do little. And, of course, Thatcher’s legacy is a London mayor who still thinks of himself as a socialist, a swinging nightlife scene, thriving arts and commerce and vibrant multiculturalism. Not quite what she had in mind. But freedom often surprises.