Why has the left become so intolerant of dissent? The quality and the rationality of any position can be discerned by its tolerance for dissent. In a world of absolute truth there is no safe space, in a world of relative truth there is no room for dissent.- HO

from the Wall Street Journal, Progressivism’s Macroagressions by Michael Warren

Perhaps the fundamental difference between yesterday’s liberals and today’s postmodern progressives is each side’s conception of truth. Liberals believe truth is external and can be determined through reason. A good liberal uses his reason to achieve justice and equality for all. But postmodern progressives are moral relativists. For them, truth is internal, discerned by and specific to particular individuals. Today a good progressive defends the individual’s internal truth—particularly if the person is an “oppressed minority”—against all foes, including reason. Small wonder that the postmodern left has turned on its own.

The competition between individualized truths—“an unending conflict between identity tribes trying to capture the state for their own narrow group interests”—is what Mr. Holmes believes makes postmodern progressivism a cousin of radical libertarianism. But while radical libertarianism tends toward anarchy, postmodern leftism has a totalitarian impulse. The goal of a postmodern progressive isn’t universal truth, which supposedly doesn’t exist, but power, which is presented in the guise of equality and social justice. The left’s quest for power isn’t of the goose-stepping, arsenal-building kind employed by 20th-century dictators, Mr. Holmes takes great pains to insist. But, he allows, progressive liberals are “willing to dip into the totalitarians’ illiberal tool box.”