This episode's headline: Welfare Reform; Contract Breaker?; Targeted Ads. The guests include REP. E. CLAY SHAW, JR., [R] Florida; DONNA SHALALA, Secretary of Health & Human Services; REP. AMO HOUGHTON, [R] New York; REP. DAVID McINTOSH, [R] Indiana; CORRESPONDENTS: KWAME HOLMAN; MARGARET WARNER;PAUL SOLMAN. Byline: In New York: ROBERT MAC NEIL; In Washington: JAMES LEHRER