Mark Warner interviewed on BNN about the U.S. Justice Department’s Civil Investigative Demand to four U.S. airlines concerning allegations of price and capacity collusion by them in response to a complaint by Connecticut Senator Bill Blumenthal. (July 2, 2015) The named airlines were: American, United Airlines, Delta Air Lines and Southwest Airlines. The complaint by Senator Blumenthal also referenced Air Canada. Mark Warner is a Canadian and U.S. competition / antitrust lawyer who has counselled companies and individuals on cartel investigations, merger notifications and abuse of dominance cases in the airline and airport services industries in Canada, the U.S., the EU. and emerging markets.