Ad Agencies Dust Off and Focus on Future After Collapse of Merger Deal

Cultural difference and legal problems are issues at the heart of the collapse of the Publicis-Omnicom deal.

DealBook: At Odds, Omnicom and Publicis End Merger

Clashing personalities, disagreements over how the companies would be integrated and complications over legal and tax issues have derailed the deal between Omnicom and Publicis.