David Webber shines a light on labor's most potent remaining weapon: its multitrillion-dollar pension funds. Outmaneuvered at the bargaining table and in the courts, state houses, and Washington, worker organizations are beginning to exercise muscle through markets. Shareholder activism is a rare good-news story for America's workers.

David Webber shines a light on labor¿s most potent remaining weapon: its multitrillion-dollar pension funds. Outmaneuvered at the bargaining table and in the courts, state houses, and Washington, worker organizations are beginning to exercise muscle through markets. Shareholder activism is a rare good-news story for Americäs workers.