In 2006, the state of Massachusetts required every single one of its residents to get health insurance, and every single one of its businesses to provide it. Otherwise, residents and employers would be fined. Some have asked, as national healthcare reform works its way through Congress, is there anything we can learn from the Massachusetts experiment? Yes, according to the state's treasurer, interviewed today on CNBC: Whatever you do, don't do what we did. In a blisteringly frank interview, treasurer Tim Cahill laid out some jaw-dropping stats, which eviscerated the plan and excited every conservative's worst fears about government getting...