7PM This episode's headline: Losing Interest; Senate Sweepstakes; Sanctions Fallout; Personal Demons. The guests include In Washington: KATHERINE ORTEGA, U.S. Treasurer; Del. WALTER FAUNTROY, Democrat, District of Columbia; In New York: MARSHALL LOEB, Fortune Magazine; In Chicago: HELEN SUZMAN, South African Opposition; REPORTS FROM NEWSHOUR CORRESPONDENTS: NEIL BENNETT (BBC), in London; DOUG FOSTER (KQED), in California; VICTORIA FUNG (KCTS), in Washington State; ROGER ROSENBLATT. Byline: In New York: ROBERT MacNEIL, Executive Editor; In Washingon: JIM LEHRER, Associate Editor; JUDY WOODRUFF, Correspondent
