MillerCoors ups ante in ad wars, sues Anheuser-Busch By: St. Louis Business Journal via Business Journals March 21, 2019 at 15:54 PM EDT MillerCoors has filed a lawsuit against Anheuser-Busch Cos. Inc. over Bud Light’s Super Bowl commercials, which attacked MillerCoors' use of corn syrup. Read More >>