David Lee Roth was on CBS This Morningon Sunday, but not to talk about the passing of his bandmate Eddie Van Halen. In an segment taped this summer, Roth talked about his hobby, pen and ink drawing in a Japanese style called Sumi-e [pr. SU-me-uh], and also his plans for the next five years, which he said in a nutshell is “Showbiz. I’m gonna be the king of Las Vegas.”