Tech Outage Hits Businesses Around the World, Grounds Flights
b'Plus: Donald Trump accepts the Republican presidential nomination, while top Democrats prep for a campaign without President Biden. And, Houthi militants in Yemen claim responsibility for an overnight blast in Tel Aviv. Kate Bullivant hosts.\\n\\n\\n\\nSign up for WSJ\\u2019s free What\\u2019s News newsletter.\\xa0\\xa0\\n\\nLearn more about your ad choices. Visit megaphone.fm/adchoices'