The proposed $13.25 billion all-stock merger between Omnicom Group Inc. $OMC and Interpublic Group of Companies Inc. $IPG, two of the world’s leading advertising conglomerates, has attracted heightened regulatory attention. According to a New York Times report published Thursday, the U.S. Federal Trade Commission (FTC) may impose behavioral conditions on the combined entity—particularly restricting any potential boycott of media platforms based on political content.