Key Murdoch ally sells stake in 21st Century Fox

Sale by Saudi prince Alwaleed bin Talal leaves company vulnerable to shareholder rebellionsA key ally of Rupert Murdoch has sold his stake in 21st Century Fox, leaving the company more vulnerable to a rebellion by shareholders unhappy at the dominance of the Murdoch family. Prince Alwaleed bin Talal, who controls the investment firm Kingdom Holding and is one of the world’s richest men, at one stage owned more than 6% of Fox and has consistently backed the Murdochs in shareholder votes abo