 ABC News. Airports temporarily grounded flights, some 2,000 flights canceled and over 5,000 delays in the U.S. alone. President Biden getting briefed on the outage while he recovers from COVID at his Delaware home. That as calls for him to drop out by Democrats intensify. Donald Trump closed out the Republican National Convention last night, accepting the party's nomination and delivering his first speech since the assassination attempt at a rally in Pennsylvania. And we're learning more about the shooter.