The NewsHour's partner, Kaiser Health News, asked a range of health policy experts the following question: If you could make only one change to Medicare to control costs, what would it be and why? Edited excerpts of their answers…

With a federal deadline looming Friday, eight states remained undecided about whether to build state-based online insurance markets designed to help millions of people buy health coverage starting next October. Still wrestling with the decision as of midday Thursday were…