My friend Junko Nakahama is a food and wine writer in Tokyo. She has recently started to conduct Saturday tours of the popular shoutengai area Yanesen (Yanaka, Nezu, and Sendagi). This article from Metropolis magazine (by my editor Steve Trautlein) interviews Junko on some of her favorite foodie spots in Tokyo. http://metropolis.co.jp/dining/table-talk/junko-nakahama/ (text follows) Some…