How could the Nasser-type project of Arab unification have been successful - or, at least, MORE successful? I don't see ALL Arab states entering into a secular superstate, federation, confederation, "hard" alliance, etc., but maybe a lot of them. (A hard alliance is something like NATO or the Warsaw Pact.)
The objective would be a more unified world of Arab republics, strongly independent of both the United States and the Soviet Union. While there would probably be a pretty strong socialist character to this whole arrangement, neither the Soviets or the Chinese would be great allies.
And how does Israel do?