 Myron Florin always called him when he was conducting The Boss. But there is Lawrence Welk. Bits of the 200 years of American music. That ended up being a three-video cassette tape system back in the late 70s and early 80s and the days of video cassettes, too. But Lawrence Welk's show there from 1976. Tomorrow afternoon, starting in the noon hour, we'll have our Jerry Stewart rebroadcast and then