“American Ninja Warrior” favorite Jessie Graff is feeling stronger than ever at the age of 40

California Live’s Jessica Vilchis sits down with “American Ninja Warrior” veteran and professional stuntwoman Jessie Graff in the midst of her triumphant return to ANW season 16. Learn how Jessie trains for the competition alongside her 72-year-old mom Ginny, plus what it’s like playing stunt double to Wonder Woman in the franchise.