For decades, Gulf states operated under the assumption that their most important strategic partner was the United States. They built an extensive and multidimensional partnership with Washington, one that spanned security, energy, finance, and diplomacy. In launching its war alongside Israel against Iran, however, the US sidelined its Gulf partners, ignoring their appeals and concerns. Now, as the Trump administration attempts to negotiate with Iran, it again appears to have the interests of Israel as its top priority; the concerns of its Arab allies are once again overlooked. No matter how much these countries have done or how much more they are willing to offer, their interests will remain expendable in Washington whenever they collide with those of Israel.…