尽管如此，在11月总统大选即将到来之际，认识一下什么驱动力决定了奥巴马的外交政策并评估他在处理外交问题上的表现仍然是非常重要的。
Nevertheless, in advance of November’s presidential election, it is important to distinguish the forces that have shaped Barack Obama’s foreign policy, and to assess his handling of them.