Retirement of billionaire, 84, leaves Rupert Murdoch as last of that generation to be actively involved in media businessBillionaire media mogul John Malone, the so-called “Cable Cowboy”, is stepping down as chair of his powerful empire.Malone will stand aside in January from his roles overseeing Liberty Media, owner of Formula One, and Liberty Global, the firm behind telecommunications operator Virgin Media O2, it was announced today. Continue reading...