Frida Ghitis : Whether to deal a deal or not depends on next six months . She says if deal is extended beyond then , it will trigger series of events The entire region will be swept up in a feverish pursuit of nuclear technology . Obama wo n't want . She says Arab Persian Gulf is threatened by prospect of Iran nukes . Ghitis : If U.S. can extend deal to a final resolution , it can forestall regional arms race .
Frida Ghitis : Whether to deal a deal or not depends on next six months . She says if deal is extended beyond then , it will trigger series of events Obama wo n't want . She says Arab Persian Gulf is threatened by prospect of Iran nukes . Ghitis : If U.S. can extend deal to a final resolution , it can forestall regional arms race .