Judiciary Committee Chairman Sen. Chuck Grassley (R-IA) and Homeland Security and Government Affairs Chairman Sen. Rob Portman (R-OH) chimed into the chorus criticizing HHS Secretary Sylvia Burwell for a myriad of problems with the federally facilitated marketplace, from unfinished back-end work to faulty tax forms distributed to about 800,000 Americans, and asked her in a Feb. 27 letter to address lingering issues with premium subsidy calculations. The lawmakers told Burwell to provide answers by March 13 on whether HHS is...