7PM; discussion of Greyhound's ultimatum to employees on strike; report on government intervention (revoking Pell Grants) in cases of gender bias in colleges; improvements in survival rate of cancers This episode's headline: Greyhound Ultimatum; Title IX Fight; Cancer Survival Rates Up. The guests include In Washington: CHARLES MacKENZIE, Grove City College; MARGARET KOHN, National Women's Law Center; Dr. VINCENT DeVITA, National Concer Institute; In Tempe, Arizona: FRANK NAGEOTTE, Greyhound Lines; In New York: DOMENIC SIRIGNANO, Union Local President. Byline: In New York: ROBERT MacNEIL, Executive Editor; In Washington: JIM LEHRER, Associate Editor; Reports from NewsHour Correspondents: CHRIS WAYNE (BBC), in Geneva; JUDY WOODRUFF, in Washington; CHARLAYNE HUNTER-GAULT, in New York; LESTER M. CRYSTAL, Executive Producer