Obamacare supporters and protesters gather in front of the U.S. Supreme Court to find out the ruling on the Affordable Health Act June 28, 2012 in front of the U.S. Supreme Court in Washington, DC.
Only 15 states have told the federal government they plan to operate health insurance exchanges under President Barack Obama's reform law, leaving Washington with the daunting task of creating online marketplaces for two-thirds of the country.
On the eve of a federal deadline for states to say whether they will run their own exchanges, a top health care policy official told lawmakers that the exchanges will start enrolling eligible families starting on Oct. 1.