Failure to resume strong growth and to produce greater economic equality will bring forth authoritarian regimes both left and right. This year, in his book “The Crisis of Democratic Capitalism,” Financial Times editor Martin Wolf advocated for an array of reforms, including carbon taxation, a presumption against horizontal mergers, a virtual ban on corporate share buybacks, compulsory voting, and extra votes for younger citizens and parents of children. He fears that, absent such measures, “the light of political and personal freedom might once again disappear from the world.”