“You’ve heard stories of how Hurricane Katrina victims looted stores and turned to violence in the Louisiana Superdome. But you haven’t heard about the thousands of unsung heroes who rescued neighbors, and even whole families, from the rising flood waters of Hurricane Katrina when the levees broke in the city of New Orleans. In this newly released book, Louder Than Thunder, author Cheryl Hawkins chronicles her 10-day journey of how she and her elderly, paraplegic father a...