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


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.