This episode's headline: Amid the Ruins; Tough Questions; Reflecting America; Living La Vida Loca. ANCHOR: MARGARET WARNER; GUESTS: JOELLE TANGUY, Doctors Without Borders; DR. CLAUDE DE VILLE DE GOYET, World Health Organization; DAVID GERGEN; SEN. DALE BUMPERS; FRANK KEATING; GARY JOHNSON; CORRESPONDENTS: JULIAN MANYON; ELIZABETH BRACKETT; TOM BEARDEN; ROBERT MOORE; TERENCE SMITH; KWAME HOLMAN;DAVID GERGEN; MARGARET WARNER