A robot made by Tmsuk of Japan interacted with a customer at a mall in Kokura last year.Credit...Everett Kennedy Brown/European Pressphoto Agency KITAKYUSHU, Japan � They may be the most efficient workers in the world. But in the global downturn, they are having a tough time finding jobs. Japan’s legions of robots, the world’s largest fleet of mechanized workers, are being idled as the country suf
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