Senate and House legislators from both parties are pushing bills to untie patient views on pain management from Medicare payments to hospitals -- a regulatory link that some say contributes to over-prescribing of opioids. An Obamacare provision ties the results of patient satisfaction surveys to how much hospitals are paid, leading some stakeholders to worry that hospitals have a perverse incentive to over-prescribe opioids. Sen. Pat Toomey (R-PA) is one of the latest lawmakers to sign onto bipartisan legislation sponsored...