[1/3]APA Group CEO Motoya Toshio poses for pictures after an interview at the hotel group's headquarters in Tokyo April 17, 2015. REUTERS/Thomas Peter/File Photo Acquire Licensing Rights TOKYO (Reuters) - About 200 protesters marched through the streets of Tokyo's Shinjuku district on Sunday carrying banners to protest a hotel chain under fire for books its president wrote denying the Nanjing Mass