LOGIN SUBSCRIBE | FastCo Works advertisement BYÂ Anna-Louise Jackson Listen to this ArticleMore info 0:00 / 0:00 Warner Bros. Discovery, the parent company of CNN and HBO, announced Tuesday that it is up for sale after receiving unsolicited interest from multiple potential buyers. The news adds a new wrinkle to an already-planned shakeup at the media giant. In June, WBD announced plans to cleave the company into two separate publicly traded companies. The company's streaming and studio brands—which include ...