Aaron Parnas's news roundup reports that every U.S. departing flight was grounded for over four hours Friday — only the third such national stop — after a malfunction officials trace to overloaded routers at Chicago Midway, leaving thousands of flights delayed or canceled, and that the United States has lost its measles elimination status for the first time in more than 25 years amid an outbreak centered in Pennsylvania, where 1,542 cases and seven deaths are recorded. It also reports a credible bomb threat at a Peoria, Illinois, ethanol plant forced more than 5,000 people from their homes, and Parnas says President Trump was nowhere to be found during the ground stop.