This spring, the Trump International Hotel in Washington, D.C., will host a three-day event co-hosted by a business group.
That's not unusual. But here's what is: The group's chair founded the company that paid President Trump's former national security adviser, Michael Flynn, for lobbying work that may have benefited the Turkish government.
This mashup of money involving Turks, Flynn and Trump has concerned ethics experts who worry about a "pay to play" atmosphere in Washington. Here are the basics: