Today, the left is better at revolutionary ideas, in part because they’re willing to be revolutionary in their thinking and in their governing.The story of the past 100-plus years is the story of the rout of American conservatism — and the near complete and total takeover of the country and its Commanding Heights by a cadre of highly intelligent, determined, and ruthless individuals. How did the century begin? The left started from a humble base: a few people here and there, but certainly not dominating the levers of society. They were scattered about entertainment and Congress, and only truly formidable...