 If most Democrats in Congress continue to stand by him, the expectation is most convention delegates will, too. ABC's Stephen Portnoy. At a rally in Doral, Florida, former President Trump repeated his call for a no-holds-barred debate with Mr. Biden. There is already a second debate set for September 10th on ABC. The president addressed the opening of the NATO summit, the organization marking 75 years of existence. This is a pivotal moment for Europe, for the transatlantic community.