Betting that thin is in — and might be the only way forward — Senate Republicans are eyeing a “skinny repeal” that rolls back an unpopular portion of the federal health law. But experts warn that the idea has been tried before, and with little success.

Faced with uncertainty around the federal government's commitment to pay out funds meant to help consumers afford coverage on Affordable Care Act exchanges, state insurance commissioners are being put in the position to guess the future. If they make the wrong choice, their residents could find themselves without coverage and the ability to access care.

Sen. John McCain returned to the U.S. Capitol on Tuesday afternoon to cast a critical vote in favor of health care legislation less than a week after undergoing surgery and revealing he has brain cancer.

On Tuesday afternoon, Senate Republicans voted on a motion to proceed with debate on health care legislation, using a rare legislative gambit to move ahead despite reservations from some moderates. But unlike typical Senate procedure, many lawmakers are still unclear on what the actual bill will ultimately be.

The Senate Republican bill to dismantle the Affordable Care Act encountered huge new problems on Friday night after the Senate parliamentarian challenged key provisions that are needed to win conservative votes and to make the health bill workable.

California’s Obamacare exchange scrubbed its annual rate announcement this week, the latest sign of how the ongoing political drama over the Affordable Care Act is roiling insurance markets nationwide.