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U.S. Presidential candidates Obama
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U.S. Presidential candidates Obama and McCain will put aside partisan politics for a joint appearance at Ground Zero to mark the seventh anniversary of the September 11th attacks.美国总统候选人奥巴马和麦凯恩表示,他们将暂时把政党政治放在一边,一起到世贸大楼遗址去,纪念九一一恐怖袭击七周年。