A bipartisan group of seven senators is urging CMS to write a regulation implementing a law that makes it easier to determine how much money Medicare will be repaid when it covers medical expenses that are really the responsibility of private liability insurers. At issue is the agency's slow implementation of the Strengthening Medicare and Repaying Taxpayers, a law that attempted to address litigants' concerns that they don't know the amount that Medicare will attempt to recover until after settlements...