"Half a Billion Dollars. That’s how much the California Teachers Association and the powerful Service Employees International Union have spent on California politics since 2000. The unions’ return on that “investment”? A legislature totally beholden to them for political support and campaign contributions. Here’s another mind-boggling number: Half a Trillion Dollars. That’s an estimate of the unfunded public pension liabilities racked up by California’s state and municipal governments due to overly generous pay and defined benefit pension plans lavished on unionized government employees."