Ladies and Gentlemen, meet "The Vagabond," an anonymous newcomer who made the scene at 7th and Montana this morning with a beat-up guitar and a song in his heart. He didn't play any music, but he attracted a lot of attention nevertheless with his tie-dye tank top, black shorts and backwards baseball cap. "Quick, get your Spycam," said Neighbor Mel, "There's a live one over there." I didn't waste any time. Mel, a top TV executive, was quick to invent a back story. "He's starring in a new TV series," Mel joked. "Right," I said, keeping Mel's long list of classic TV credits in mind, "What'll we call this one: Mary Tyler Less ...?"