With the proposed $35bn "merger of equals" between Omnicom and Publicis called off, John Gapper, the FT's chief business commentator, and Arash Massoudi, M&A correspondent, examine what went wrong and whether a deal of this complexity can ever really work.<br /><br />For more video content from the Financial Times, visit http://www.FT.com/video<br /><br />Subscribe to the Financial Times on YouTube; http://goo.gl/vUQx5k<br />Twitter https://twitter.com/ftvideo<br />Facebook https://www.facebook.com/financialtimes
