World News Tonight With David Muir

New clues into the deadly collision involving a passenger plane and a Black Hawk helicopter; More victims identified in the Washington, D.C. collision; President Trump set to implement tariffs on Mexico, Canada, and China; The Trump administration warning top F.B.I officials to retire or be fired; Retired NBA champion, Dwyane Wade, revealing his battle with cancer; Remembering Dick Button Learn more about your ad choices. Visit podcastchoices.com/adchoices