UPDATE 1-Publicis shakes up management post-Omnicom deal failure
September 16, 2014 at 04:11 AM EDT
PARIS, Sept 16 (Reuters) - Advertising group Publicis shook up its management to prepare for life after its failed merger with U.S. based Omnicom, parting company with its Chief Operating Officer and teeing up for the eventual departure of chairman Maurice Levy.