I think people are trying too hard on this one. Mugniyah was brought in by the Khomeiniacs after Nasrallah botched the Lebanon war. Think of Nasrallah as Hillary and Mugniyah as Obama pulling away. Unlike the West, in the muslim world the Hillary types get to act out their fantasies.
Plus, he doesn't have the cajones to do anything this bold without the pre-approval of the IRI, which would never be given.
Notwithstanding all of the adulatory coverage from the MSM, the guy is basically a fat dimwit who works as the cat's paw of the mullahs in Tehran and the Ba'athists in Damascus.