Nov. 1 -- today -- is the day open enrollment begins for health insurance plans on the Affordable Care Act exchange markets, also known as Obamacare.
Over the next 45 days, until Dec. 15, people can go on healthcare.gov and buy a plan for 2018.
It's the first full open enrollment for the ACA under the Trump administration. The administration opposes the law and has made many changes that chip away at it.
But enrollment is cranking up, and the big question now is how it will work under new leadership, and how many will sign up in time.
