奥巴马的总统任期正在走向尾声，共和党大有在11月的中期选举中控制参议院之势，而民主党则日益被认为“对伊朗太软弱 ” 。
Obama’s presidency is coming to an end, the Republicans are poised to regain control of the Senate in November’s mid-term election, and Democrats are increasingly reticent to be viewed as “soft on Iran.”