Josh Hallett / Wikimedia Commons Maybe Warner Bros. Discovery Inc. (NASDAQ: WBD) was America’s worst-run entertainment company. At least it has the decency to auction itself off and get some money for desperate shareholders. AT&T was smart enough to dump its media properties onto David Zaslav’s Discovery. Zaslav was naive enough to do a deal that built an empire of ancient media businesses. 24/7 Wall St. Key Points With its only rival for the title headed out the door, Walt Disney Co. (NYSE: DIS) is no ...