Over the last several months, health system reforms in Massachusetts have drawn national praise, and have played a role in shaping the healthcare proposals put forth by the current slate of presidential candidates. However, it's beginning to look like reforms there aren't working as well as people had hoped. In particular, with some residents not wanting to enroll in health plans, and others unable to pay, it raises questions as to whether reforms based on mandated coverage can work at all, critics say. Article