A.M. Edition for July 19. A tech outage sweeps around the globe, knocking out operations for banks, media companies and emergency services and causing flights to be grounded. Plus, Donald Trump accepts the Republican presidential nomination, calling for unity in his speech—but also reverting to familiar attacks, says the WSJ’s Washington editor Damian Paletta. And, Houthi militants in Yemen claim responsibility for an overnight blast in Tel Aviv. Kate Bullivant hosts. Sign up for the WSJ’s free What’s News newsletter. Learn more about your ad choices. Visit megaphone.fm/adchoices