What a governor, insurer regulator, and consumer advocate want Congress to do about Obamacare

Congress won’t be able to repeal and replace the Affordable Care Act (ACA) after the midterm elections handed Democrats control of the House of Representatives — but that doesn’t mean lawmakers are done tinkering with the 2010 health care overhaul law.

Democrats ran and won on health care and the new House majority is expected to make strengthening the ACA a top priority next year. For some lawmakers, this means passing measures to further stabilize the marketplace...