CMS Administrator Seema Verma said the Affordable Care marketplaces would not improve unless Congress takes action and blamed what she called the law's underlying structural flaws for some states' double digit rate increases, which Democrats have blamed on GOP policies to dismantle the law. Verma also took a swipe at proponents of Medicare for All, or any similar government-run program, saying that extending the program to all Americans could hurt seniors, and arguing that single-payer advocates are setting up the...