Celebrating July 4th, Joey Chestnut dispute, competitive equestrians, high-tech law enforcement , Panda diplomacy

The history of independence day; Joey Chestnut's contract dispute with Nathan's Famous Hot Dog; Competitive equestrians and the benefits of equine therapy; "Inside Out 2" becomes a box office success; Law enforcement gets more high-tech; July 4th birthdays Learn more about your ad choices. Visit podcastchoices.com/adchoices