president obama to hold a summit with the heads of the gulf koops council countries. and the iran nuclear negotiations. will the spiraling violence in yemen also top the agenda. the white house described the garting as an opportunity to enhance partnership and bolster security. casey katy mcfarland. always love to see you. the agreement reached on thursday by iran and six world powers basically says it would curve iran s nuclear ambitions at least for a decade. at least is the operative word there. tell me first of all is this