CMS will offer a special enrollment period to thousands of Healthcare.gov enrollees who were incorrectly told that they qualified for fewer subsidies than they should have received or none at all, due to a Social Security-related glitch in the eligibility system that inflated household income. In a July 21 slideshow presentation posted on CMS's technical assistance portal, the agency said it would contact those affected to tell them what happened, ask them to update their application on Healthcare.gov for...