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</html><description>A Chinese-born American seismologist who has published U.S.-funded work on detecting North Korean nuclear tests has been detained in China for nearly two years and faces trial on spying charges, according to his wife, U.S. lawmakers and two hostage advocacy groups.The case of Youlin Chen, adds an irritant to the tense relationship between the nuclear-armed [&hellip;]</description></oembed>
