The Green Movement’s deliberate approach is complicated by the sense of urgency that the United States, Europe, and especially Israel, feel about the Iranian government’s nuclear ambitions. While the role that outside powers like the US can play in affecting political reform in Iran is limited, the Obama administration faces two fundamental challenges in its Iran policy.
然而这一深思熟虑的方案却因为美国，欧洲，特别是以色列对伊朗的核野心所产生的紧迫感而变得复杂化了。虽然像美国这样的国外势力对伊朗国内政治改革的影响十分有限，但是在制定对伊政策这个问题上，奥巴马政府仍然面临着两个根本挑战：