布鲁斯·里德尔是布鲁金斯学会(Brookings Institution)萨班中东政策中心(Saban Center for Middle East Policy)的资深研究员。

Bruce Riedel is a senior fellow in the Saban Center for Middle East Policy at the Brookings Institution.

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斯蒂芬·格兰德是位于华盛顿的布鲁金斯学会的一位中东问题专家，他说：“这依然是一件需要进一步推进的工作。”

"It's still a work in progress," said Stephen Grand, a Middle East expert at the Brookings Institution in Washington.

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