The U.S.-Europe rift is a cautionary tale for Japan

Lacking a Plan B, Tokyo remains exposed if Washington's priorities suddenly shift

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The growing dissonance in the U.S.-Europe relationship has profound implications for Japan despite the appearance of current mutual content. (Source photos by Reuters and Uichiro Kasai) 

Jeffrey W. Hornung is a senior political scientist and the Japan lead of the national security research division at RAND. He is also an adjunct professor at Georgetown University.

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