This episode's headline: Shuttle Investigation; Election Watch; Bridge to Freedom; Doctors Versus Lawyers. The guests include In Washington: ALLEN WEINSTEIN, Election Observer; DIMITRI SIMES, Carnegie Endowment; WILLIAM FALSGRAF, President, American Bar Association; Dr. JAMES SAMMONS, Executive Vice President,; American Medical Association; In Los Angeles: Rep. JERRY LEWIS, Republican, California,; Election Observer; Reports from NewsHour Correspondents: IAN GLOVER-JAMES (Worldwide TV News), in Berlin; PAUL REYNOLDS (BBC), in Tel Aviv; ELIZABETH BRACKETT, in Washington; DOUG FOSTER (KQED-San Francisco), in California. Byline: In New York: ROBERT MacNEIL, Executive Editor; In Washington: JIM LEHRER, Associate Editor; JUDY WOODRUFF, Correspondent