State documents show that the Shumlin administration was warned repeatedly over the last year that staffing shortages, technical problems and other issues with its main contractor threatened the launch of the state’s health exchange. Concerns about the state’s ability to launch the exchange on time started as early as this spring. About 650 Vermonters are set to lose their extended unemployment benefits. A New York federal appeals court says the legality of a tax on Vermont Yankee nuclear plant is best left up to a state court. But it shot down some of the plant operator's arguments against the tax anyway. A referendum of Vergennes voters has shown support for the city council’s endorsement of a proposed natural gas pipeline expansion into the city.