Israel's former top army general said on Friday that there are positive elements of the Iran nuclear deal and that there was no need for "hysteria," a statement that could be interpreted as veiled criticism of his erstwhile boss, Prime Minister Benjamin Netanyahu.For the first time since his discharge from the military, former IDF chief of staff Lt.-Gen. (res.) Benny Gantz spoke publicly Friday about his thoughts on the Joint Comprehensive Plan of Action, the deal negotiated by world powers in which Iran agreed to curb its nuclear activities in exchange for a lifting of economic sanctions."I do agree [with those who say that] a better deal could have been reached," Gantz told The Washington Institute for Near East Policy. "I do see a challenge in the theoretical enrichment rights that the Iranians gained."