The divorce between the U.S. and WHO is final this week. Or is it?

The headquarters of the World Health Organization in Geneva. A year ago, President Trump announced that the U.S. would withdraw from the global agency. But what about those unpaid dues.

The U.S. is the only country allowed to withdraw from the World Health Organization. And Jan. 22 is the day when Trump's pullout announcement should go into effect. But ... it's complicated.

(Image credit: Fabrice Coffrini/AFP)