This episode's headline: Deadly Force; Question & Answers; Political Wrap; Wooing Iowa; Moving Art. ANCHOR: ELIZABETH FARNSWORTH; GUESTS: FRANK DONAGHUE, Red Cross; PAUL GIGOT, Wall Street Journal; TOM OLIPHANT, Boston Globe; CORRESPONDENTS: JULIAN MANYON; ELIZABETH BRACKETT; TOM BEARDEN; SPENCER MICHELS; TERENCE SMITH; KWAME HOLMAN;DAVID GERGEN; MARGARET WARNER