The Bay State doc who once headed the federal agency behind the chaotic Obamacare rollout — and now running for governor — 
defended the beleaguered program on Boston Herald Radio yesterday and dodged questions about whether President Obama lied. “Obamacare is far from a complete disaster. ItÂ’s a real step forward for the country,” insisted Don Berwick, a pediatrician and Democratic candidate who in 2010 and 2011 headed the U.S. Centers for Medicare & Medicaid Services. He sparred with “Morning Meeting” hosts Hillary Chabot, Tom Shattuck and Jaclyn Cashman over ObamaÂcare. “There are apparently people, I gather, who cannot keep...