Independent Vermont Sen. Bernie Sanders and 14 Democratic colleagues on Thursday re-introduced legislation that would extend Medicare coverage to residents of all ages over a four-year transition period. Like previous versions, the bill requires coverage of essential health benefits without consumer cost-sharing or deductibles – except for prescription drugs for which patients can be charged copays not to exceed $200 a year. While Medicare would cover most services, coverage for long-term institutional care for seniors and people with disabilities would...