Mark Cuban is one of those people who’s bigger than life. He’s a self-made billionaire whose father worked in an upholstery shop. Cuban started buying and selling companies when he was in his 20s in the heart of the Internet boom. Then he moved on to sports, acquiring the Dallas Mavericks and winning an NBA championship. Cuban is also a star of the Shark Tank TV program and has thought seriously of running for President. Mark Cuban talks about money, deals and screaming at referees on this episode of “Now What?”