Attacks have subsided since the U.S. and Iran entered a ceasefire on April 8, though Gulf capitals remain wary of resumed conflict. April 28 (Reuters) - Saudi Arabia will host an exceptional meeting of the Gulf Cooperation Council in Jeddah on Tuesday, the first in-person meeting of Gulf leaders since their states became a front in the Iran war two months ago. A Gulf official, speaking on condition of anonymity, said the meeting aimed to craft a response to the thousands of Iranian missile and