McCain, who repeatedly went on the offensive to challenge Obama's positions and statements, pressed his rival on his connection to a 1960's radical, William Ayers.

麦凯恩多次直接挑战了奥巴马的立场和说法，迫使对手解释1960年代他和一个激进分子威廉姆斯·艾尔斯的关系。

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McCain has suggested that he may bring up Obama's association with Vietnam War-era radical William Ayers during the debate.

麦凯恩曾提出，他可能在辩论中提及奥巴马与越战时代的极端主义分子威廉 .艾尔斯之间的交往。

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