This episode's headline: School Prayer. The guests include Sen. DANIEL PATRICK MOYNIHAN, Democrat New York; Sen. JOHN EAST, Republican, North Carolina; Sen. SLADE GORTON, Republican, Washington; HOWARD PHILLIPS, The Conservative Caucus. Byline: In New York: ROBERT MacNEIL, Executive Editor; In Washington: JIM LEHRER, Associate Editor; MONICA HOOSE, Producer; ANNETTE MILLER, Reporter