Episode 31

Rachel Scott reports as Pres. Trump's plans to impose U.S. tariffs on Mexico and Canada get a 30-day pause following last-minute talks; Gio Benitez has the latest on the investigations into the deadly D.C. plane collision with a Blackhawk helicopter and the medical transport jet that crashed in Philadelphia; David Muir reports on the heroes of the California wildfires that took center stage at the Grammys; and more on tonight's broadcast of World News Tonight with David Muir.