More than 1 million Americans selected plans from Dec. 3 through Dec. 9, the sixth week of open enrollment that ends on Friday (Dec. 15), and nearly 4.7 million have signed up for coverage since Nov. 1, CMS announced Wednesday (Dec. 13). Also on Wednesday, at least one additional Democrat joined the bipartisan chorus calling on the administration to extend the open enrollment period through Jan. 31. According to CMS, about 389,000 new consumers selected plans in week 6, while...