The paradox of unions is that they are at once armies and democracies—an oxymoronic construct that means they can seldom be as efficient as a top-down organization, or as expansively deliberative as, say, an idealized New England town meeting. There no ideal equipoise for a union—some, in which member participation has atrophied, can be essentially autocrat; some are more democratic (although democracy can impede growth if members insist on making the union devote resources to servicing their needs at the expense of organizing new members). The better unions try to balance their dual roles, and that looks like what the Chicago Teachers Union did Sunday night.

Read More