Dissent Splits Italy's Red Brigades
Members of Red Brigades terrorist organization have become embroiled in bitter internal dispute, with leaders being attacked by dissidents as dictatorial 'Stalinists' who misjudged mood of country, mishandled kidnapping and murder of former Prime Min Aldo Moro and let false successes 'go to their heads'; splits are disclosed when left-wing Rome newspaper The Struggle Continues publishes text of 20-page document containing dissidents' charges (M)