SwimNews.com launches a 12-part series called “In The Arena: How Rivals Square Up” in which major contenders for world titles in Rome this summer and the Olympic cycle leading to London 2012 answer questions that focus on how they see themselves, each other, the ready room and how they prepare for the biggest of moments. As you might guess by the title of the series, all featured swimmers are sponsored by Arena. They start the series of with the battle between Olympic sprint freestyle kings Cesar Cielo and Alain Bernard.