“One Chicago-based think tank is claiming an accounting game can solve Illinois’ worst-in-the-nation pension problem. And Illinois’ incoming governor may be taking it seriously. But that plan – pushed by the Center for Tax and Budget Accountability, or CTBA – fails to reform the system and risks repeating many of the mistakes that got Illinois into its pension mess to begin with. … Pension obligation bonds, or POBs, are a gamble with taxpayer money.”