Assessing the Republican, Democratic National Conventions
Guest host Diana Nyad holds the world record for the longest swim without the aid of a cage -- from Bimini to Florida, 102.5 miles! She was inducted into the International Swimming Hall of Fame in 2002. She's a business sports columnist for Marketplace, and has served as senior sports correspondent for Fox News, and hosted her own show on CNBC. She's written three books, Other Shores, Basic Training and The Keyshawn Johnson Story.