As haggling between House and Senate versions of national health care reform gets under way in Washington, Massachusetts residents may be feeling a bit of dejà vu. The insurance mandates and cost controls being negotiated on Capitol Hill are the same polarizing issues that echoed in Beacon Hill chambers three years ago. In 2006, then-Gov. Mitt Romney signed the nation's most ambitious and complex health reform initiative with the goal of providing universal health care coverage to all Massachusetts residents. Like the bill taking shape in Congress, the state's health legislation required all residents to obtain health insurance or face...