Back to School: The biggest news stories you may have missed this summer | August 4, 2025

Today on CNN10: Coy kicks off the new school year with a refresher on some of the summer’s biggest news events. Then, we talk to some teens who attended Pope Leo's Youth Jubilee in Rome, before uncovering the unexpected origins of the potato plant. Coy also sits down with Olympic swimming legend Katie Ledecky to talk training and determination. All that and more on today's CNN10!