CORAL GABLES, FL – JANUARY 14: The newly released book authored by former Defense Secretary Robert Gates titled “Duty” is seen for sale at the Books and Books store on January 14, 2014 in Coral Gables, Florida. The book went on sale today and has created some controversy as Mr. Gates writes about his time as the Secretary of Defense. Joe Raedle/Getty Images/AFP== FOR NEWSPAPERS, INTERNET, TELCOS & TELEVISION USE ONLY ==