Barack Obama Bloomberg/Getty Images

重振可不扩散日程

马德里—美国总统奥巴马最近对广岛的访问绝非普通的外交停留。这不但是在任美国总统首次访问1945年毁于美国核弹的广岛;也吸引了人们对奥巴马在核不扩散问题上的记录的关注。

在2009年布拉格的演讲中,奥巴马把核武器称为“全球安全最紧迫、最极端的威胁”,因为核武器可能落入恐怖分子或其他流氓之手;他还承诺降低核武器在美国国家安全战略中的作用。在他感人的广岛演说中,奥巴马在其强调追求无核世界的需要。他提出必须以“道德革命”辅助技术进步,社会要抵制促使它们维持核武库“恐惧逻辑”。

但是,尽管两次演讲都表达出类似的想法,它们的政策背景却非常不同。事实上,奥巴马政府的核政策自2009年以来发生了重大转变,2009年之前,遏制核扩散是其核心外交政策关注点之一。

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