The number of Americans without health insurance hit a record low in 2016, the final year of the Obama administration, with just under 9 percent of people uninsured, according to data the Census Bureau released Tuesday (Sept 12). However, experts expressed concerns that GOP efforts to role back the Affordable Care Act could negate these gains. The uninsured rate dropped to 28.1 million from 29 million between 2015 and 2016. The decrease marks the third year in a row in...