Mark Cuban ENDORSES Hillary Clinton & Trashes Donald Trump at Pittsburgh Rally 7/30/16The battle of the brash billionaires is on.Entrepreneur Mark Cuban used Donald Trumps braggadocio to make the case for electing Hillary Clinton during a rally in his native Pittsburgh on Saturday.Leadership is not yelling, and screaming and intimidating, said Cuban, the owner of the NBAs Dallas Mavericks and a panelist on ABCs Shark...