“The change has allowed Massachusetts to raise its Medicare payout by $257 million, forcing cuts to hospitals in 40 other states. The National Rural Health Association and 20 state hospital associations in January sent a panicked letter to President Obama, noting that the Massachusetts manipulation of the program would hand that state $3.5 billion over the next 10 years at the expense of Medicare beneficiaries everywhere. They quoted Mr. Obama’s former head of the Centers for Medicare and Medicaid Services, Donald Berwick, admitting that ‘What Massachusetts gets comes from everybody else.'”