Americans have been signing up for coverage at a record-breaking pace as preliminary data show as of Dec. 15 for healthcare.gov and Dec. 9 for state-based marketplaces more than 19 million people selected an Affordable Care Act plan, HHS and CMS announced Wednesday. More than 15.3 million people signed up on the federal platform, an impressive 33% increase compared to last year, CMS Administrator Chiquita Brooks LaSure said. The agency also announced that nearly three-quarters of a million people enrolled...