 Good morning, I'm Kyle Cooper. And I'm John Aaron. Coming up, a global IT issue has caused major problems for airports to banks to hospitals. At the airports today. Stressful every time you have to rebook a flight. I'm John Doman. In a lengthy speech, former President Trump officially accepts the Republican nomination for president. Concerns that restricting cell phone use in schools may have unintended consequences. I'm Scott Gellman.