This episode's headline: Numbers Crunch; House Calls; Conversation. The guests include SEN. TOM DASCHLE, [D] South Dakota; SEN. JOHN CHAFFEE, [R] Rhode Island; REP. FRED GRANDY, [R] Iowa; REP. JIM McDERMOTT, [D] Washington; CONOR CRUISE O'BRIEN, Author; CORRESPONDENTS: KWAME HOLMAN; CHARLAYNE HUNTER-GAULT. Byline: In New York: MARGARET WARNER; In Washington: JAMES LEHRER