Music icon Roger Waters is facing a legal battle over comments he made about a journalist. According to The Independent, a British judge ruled Tuesday that the former Pink Floyd frontman defamed filmmaker John Ware during an appearance on Al Jazeera’s “The Stream.” Ware, a Jewish British journalist, filed a libel lawsuit after Waters called him a “lying, conniving Zionist mouthpiece” and accused him of “cheerleading the genocide of Palestinians.” The remarks came in response to Ware’s documentary, “The Dark Side of Roger Waters,” which explores allegations of antisemitism against the musician. In Tuesday’s preliminary hearing, the London High Court…