Analysis: Collusion lawsuit in U.S. against buyout firms is no easy case (Reuters) - Shareholder lawyers may have embarrassed just about every top executive in the U.S. private equity industry with allegations of a wide conspiracy to rig deal prices during last decade's buyout boom, but proving their case will be a different matter. Legal experts say much of the alleged collusion outlined in the antitrust lawsuit may have been nothing more than firms working together ... [News Source]