This episode's headline: Cabinet Making; Big Beef. The guests include RICHARD VIGUERE, United Conservatives of America; ELEANOR HOLMES NORTON, GEorgetown University; KEVIN PHILLIPS, American Political Report; MARK SHIELDS, Washington Post; SEN. PATRICK LEAHY, Chairman, Senate Ag. Committee; SIR ROY DENMAN, ECC; CORRESPONDENTS: BETTY ANN BOWSER; LEE HOCHBERG. Byline: In New York: ROBERT MacNeil; In Washington: JAMES LEHRER