Among those in the audience was expected to be Iranian President Mahmoud Ahmadinejad, an acerbic critic of U.S. foreign policy who has previously challenged Bush to a debate.

• 与会者中包括伊朗总统马哈茂德·艾哈迈迪－内贾德，他一贯严批评美国的对外政策，此前曾向布什发出挑战，要求进行辩论。