#WorldNewsTonight #DavidMuir #News #abcNews br Perry Russom reports from Washington, D.C., more than 170 million Americans are under heat alerts as feels like temperatures push past 110 degrees in some places; Reena Roy reports from New York, a suspect is facing terrorism charges after 11 people were stabbed at a Michigan WalMart; Rachel Scott reports from Edinburgh, Scotland, where President Trump and the head of the EU have agreed on a major trade deal and more on tonight’s broadcast of World News Tonight with David Muir.