Sophie Novack, National Journal

Marilyn Tavenner is leaving her post overseeing Medicare, Medicaid, and Obamacare.

If the justices strike down the law's subsidies, voters will demand a fix. But who in Congress is going to give?

Several governors in tough reelection fights are rejecting CDC's Ebola guidelines in favor of more draconian rules.

The first case of Ebola has been diagnosed in the United States.

The new total includes people who have purchased insurance since April.

Opposite court rulings leave the future of Obamacare subsidies in 36 states unknown.

Burwell wants clearer accountability, but Republicans fear conflicts of interest.

A high-court ruling is seen as a likely last-ditch effort to stop sweeping antiabortion legislation passed in Texas and other states. But counting on a win is a very risky gamble for the law's opponents.

The final report on Obamacare sign-ups shows a huge swing in states' success.