Limber up, ready the troops, and prepare your bowels: Rivals 3! Even More Frenemies Who Changed the World takes a hilarious look at the petty squabbles and bitter feuds that shaped history. Hear how a single tennis match between Billie Jean King and Bobby Riggs changed women’s sports, how the blood feud between Medieval queens plunged Europe into a decades-long war, how the sibling rivalry between the Kellogg brothers revolutionized breakfast, and how the grudge match between President Harry Tru