This episode's headline: Sales Pitch; Public or Private?; Winning Strategy?; Conversation; Cosmic Question. The guests include SEN. PAUL WELLSTONE, [D] Minnesota; SEN. MITCH McCONNELL, [R] Kentucky; CORNEL WEST, Author; CORRESPONDENTS: PAUL SOLMAN; CHARLAYNE HUNTER-GAULT; TIMOTHY FERRIS. Byline: In New York: ROBERT MacNeil; In Washington: ROGER MUDD