HHS officials said Tuesday that the 29 percent of all returning customers who chose to switch plans when re-enrolling in 2015 health coverage through Healthcare.gov was much higher than is typically seen in other programs like Medicare Part D. The administration and ACA supporters had made a huge effort to encourage consumers to shop for new policies rather than simply re-enrolling. This is because in many areas the benchmark -- or second lowest-cost silver plan -- had changed, meaning consumers...