Sen.Chuck Grassley (R., Iowa) questions witnesses during a
Senate Judiciary Committee hearing in Washington, D.C., on Feb.
4, 2014. (Andrew Harrer/Bloomberg) Bloomberg News  Sen. Chuck
Grassley (R., Iowa) sent a blistering letter to Health and Human
Services Secretary Kathleen Sebelius accusing her agency of
stonewalling about its guidance on a key question in the health
law.  “Although your response took three months to compose, it
utterly failed to address the questions and information requests
in my letter,” the senator said in a letter dated Feb. 12.  The
issue: As the Journal reported in December, some hospitals want
to be able to pay premiums on behalf of some people so it can
guarantee they have coverage if they turn up looking for
treatment. Insurers say this move would be a conflict of
interest for hospitals and could threaten the economic
underpinnings of the law because it would likely lead to more
sick people getting enrolled.  The question of whether third
parties are allowed to pay premiums is a