Jon Costello, who announced last month he was stepping down as Gov. Rick Scott’s legislative affairs director, will join the Rutledge, Ecenia & Purnell legal and lobbying firm, reports the News Service of Florida. Costello, who previously worked at the firm, will manage its governmental affairs practice, according to a news release Tuesday. Rutledge, Ecenia & Purnell has a lengthy list of lobbying clients, including pari-mutuel facilities, HCA Healthcare, Kraft Foods Global and MillerCoors LLC.