'Could this Labor Day mark the comeback of movements for workers’ rights and a turn toward innovation and a new militancy on behalf of wage-earners? Suggesting this is not the same as a foolish and romantic optimism that foresees an instant union revival. What’s actually happening is more interesting. Precisely because no one in organized labor expects the proportion of private-sector workers in their ranks to rise sharply anytime soon . . . ” (E. J. Dionne Jr., Washington Post, September 2, 2013).