August 7, 1982 Gearing Up for 'Uninvolvement' ISRAEL'S remarkable manoeuvre, has demolished the argument one once used to hear than it must negotiate or face extinction. What it has shown is that Arab disunity and American support suffice not only for its survival but its expansion as well. It seems likely now that Israel will want a continuing presence in Lebanon; at any rate no future Lebanese government will be able to ignore the threat just demonstrated.