"Obamacare," the Affordable Care Act, is the biggest expansion of America's social safety net since 1965. It still faces challenges, but the President's re-election means that repeal is less likely than ever. Meantime, the first of many deadlines for implementation comes the day after tomorrow. That's when states have to decide if they'll create so-called "exchanges," new marketplaces where uninsured Americans can buy subsidized coverage. How deeply rooted is the continued opposition? What are the prospects for affordable coverage for 30 million uninsured Americans?
