As Independent Sen. Bernie Sanders (VT) and a number of Democratic colleagues prepare to roll out legislation that would require Medicare to cover all Americans, the former executive director of consumer advocacy group Families USA argues that universal health care coverage can be achieved without upending the current system. Single-payer is only one of several paths to universal coverage, Ronald Pollack says while noting many countries have reached the goal using varying blends of public and private coverage. Pollack, in...