Persian Gulf Arab 'union' idea now for studies

The Saudi Arabia-sponsored and Bahrain-backed 'union' of Persial Gulf Arab states has met strong reservations and resistance. 'Would Saudi Arabia and Bahrain give up the idea ? If they persist and proceed with the effort, how would they do it  ? 'Future development 'is noteworthy for 'observers and analysts of 'inter-state relations of the Gulf region.