Liu Xia, the widow of the late Chinese Nobel Peace Prize laureate Liu Xiaobo, plans to come to Japan for an extended stay soon from Germany, where she currently resides, sources familiar with the matter said Thursday.The Japanese government has issued a visa for her with the status of "cultural activities" following an invitation from a private university for Liu to work as a researcher, the sources said.She plans to come to Japan later this month and live in the Kansai region, the sources said.Liu Xiaobo, an outspoken critic of China's Communist Party and a democracy advocate, died at 61…READ FULL ARTICLE