12 PM ET: US markets meltdown, Simone Biles' Paris Olympics finish, new Miss USA crowned & more

The Dow plunged more than a thousand points this morning as fears about the US economy grow. Debby has weakened to a tropical storm after making landfall in Florida this morning. We're waiting to hear who Vice President Kamala Harris will name as her 2024 running mate, while former President Donald Trump proposed a new debate date. We'll tell you how US gymnastics star Simone Biles did in her last appearances of the Paris Olympics. And, after a controversial year for the pageant, a new Miss USA has been crowned. Learn more about your ad choices. Visit podcastchoices.com/adchoices