This episode's headline: Justice Delayed; African Art; Political Wrap; Golden Age?. ANCHOR: JIM LEHRER; GUESTS: MARK SHIELDS, Syndicated Columnist; KATE O'BEIRNE, National Review; SEN. ORRIN HATCH, [R] Utah; SEN. PATRICK LEAHY, [D] Vermont; DORIS KEARNS GOODWIN, Presidential Historian; MICHAEL BESCHLOSS, Presidential Historian; ROGER ROSENBLATT; RICHARD RODRIGUEZ; HAYNES JOHNSON, Journalist/Author; CORRESPONDENTS: MARGARET WARNER; PAUL SOLMAN;