The M&A landscape has changed dramatically since the rules governing merger reviews were adopted in 1992. that's one reason why the U.S. Department of Justice and the Federal Trade Commission are reviewing the Horizontal Merger Guidelines. As Michael Cohen, an antitrust partner with Paul, Hastings, Janofsky & Walker LLP, writes in the current issue of The Deal magazine, "the guidelines attempt to give corporations and counsel transparency and predictability regarding merger clearance." In this edition of Inside the Deal, Cohen says, unfortunately, the guidelines in their current form make those objectives difficult to achieve.See the video below or download it at iTunes. - Suzanne Stevens