Rachel Scott reports from Philadelphia, where Vice Pres. Kamala Harris appeared with Minnesota Gov. Tim Walz before thousands at a rally after officially naming him as her running mate; Tropical Storm Debby inundates the Carolina coast as Victor Oquendo reports from the zone on the life-threatening flooding and tornadoes; Trevor Ault has more on the thousands of airport ground stops due to severe weather; Aaron Katersky reports on the Pakistani national that's been charged with an alleged plot to assassinate Donald Trump and U.S. officials; and more on tonight's broadcast.