Japan and the United States launched working-level negotiations Thursday on a cost-sharing agreement for hosting American troops in the Asian country, according to a source with knowledge of the situation.The first round of the talks held via videoconference, with foreign and defense officials of the two countries taking part, is expected to wrap up on Friday.Japan and the United States need to renegotiate Tokyo's budget for hosting the U.S. military in the five years from April 2021 in place of the current deal, which expires in March.With the U.S. presidential election only a few weeks aw…READ FULL ARTICLE