Iran launches charm offensive among wary Gulf Arabs

By Bozorgmehr Sharafedin Nouri DUBAI, (Reuters) - Iran's foreign minister began a charm offensive in the Gulf on Sunday to defend a nuclear deal seen by some Arab states as heralding greater Iranian support for armed groups and governments opposed to the hereditary monarchies. Most Gulf Arab states are worried that Iran's July 14 accord with world powers will hasten detente between Tehran and Washington, emboldening Tehran to increase backing for Middle Eastern allies at odds with Gulf