As ObamaCare enters its fifth year, big questions remain about how the law is working.
Health reform implementation
Republicans say Census's action will obscure the effects of ObamaCare on insurance coverage.
The number represented sign-ups on the marketplaces so far.
State insurance officials said they heard the figure from Obama during Thursday's meeting.
Health insurance executives and state insurance regulators are coming to the White House.
Opinions of Sebelius's job performance broke along party lines.
Friends and former colleagues are skeptical that she'll jump back into politics.
The polling firm found more people are insured in states that embraced ObamaCare.
A report says Kathleen Sebelius is thinking about a Senate run in Kansas.
It'll be hard to measure the law's impact because of reported changes to questions.