This episode's headline: Drawing the Line; Flood Feud; Fair Burden?; Human Concerns. ANCHOR: JIM LEHRER; GUESTS: CHARLES MOSKOS, Northwestern University; SUSAN BARNES, Women Active in Our Nation's Defense; GENERAL MICHAEL DUGAN [Ret.], Former Air Force Chief of Staff; COLONEL SCOTT SILLIMAN [Ret.], Former Air Force Lawyer; SEN. LARRY CRAIG, [R] Idaho; SEN. BYRON DORGAN, [D] North Dakota; THOMAS MURRAY, Bioethics Advisory Commission; CORRESPONDENTS: KWAME HOLMAN; MARGARET WARNER; TOM BEARDEN; CHARLAYNE HUNTER-GAULT;