Lefty actor Mark Ruffalo ripped Kevin O’Leary in a blistering tirade after the “Shark Tank” host told Billie Eilish to “shut your mouth and just entertain” as she continues to face backlash over her anti-ICE Grammys rant. “Kevin O’Leary why don’t you STFU,” the outspoken Marvel actor raged on Threads Thursday night. “You will go on any show and talk -–- about any number of things and smugly expect us to listen to you, but you will dig into a real artist that dwarfs anything you dream of doing for actually saying something that resonates with 100’s of millions of...