How a battle for control killed a $35 billion merger

While regulatory approval has been known to halt a merger in its tracks, a $35 billion pending acquisition that could have resulted in the largest advertising agency on the planet has been scrapped for decidedly more personal reasons. U.S.-based advertising giant Omnicom and its French counterpart Publicis have tossed out a deal announced last July, primarily due to internal cultural clashes and power struggles within the forthcoming entity’s executive suites, Reuters reports.