Enrollment

But Congressional Research Service staffers say it's unclear how a court would handle a challenge.

Nevada marketplace managers are turning to Monster and Twitter to find a new chief.

According to Rand, between September 2013 and this March, the number of uninsured Americans ages 18 to 64 dropped by nearly 5 percent, from 20.5 percent to 15.8 percent.

Analysis from Express Scripts shows that, based on their medication usage, enrollees in Obamacare are sicker than patients off the exchanges, often requiring specialty drug prescriptions.

Department officials see no reason to delay implementation, an official says.

Avalere Health finds that 10 states are driving new Medicaid enrollment.