This episode's headline: Confrontation; High Water; The Long View; Art Held Hostage. The guests include DORIS KEARNS GOODWIN, Presidential Historian; DAVID FRUM, Author; MICHAEL BESCHLOSS, Presidential Historian; DAVID GERGEN; HAYNES JOHNSON, Journalist/Author; CORRESPONDENTS: MICHAEL NICHOLSON; ELIZABETH BRACKETT; AMEI WALLACH. Byline: In Washington: JAMES LEHRER