D.C.’s Chinatown is sometimes referred to as Chinablock. Once a multi-block neighborhood, Chinatown’s identity has been slowly eaten away by the booming Seventh Street corridor and what some refer to as “neighborhood imperialism” from Penn Quarter’s pushers. Although, we don’t think that adding Chinese characters to signage at Hooters, Chipotle and Fado’s has done much to stop Chinatown’s erosion, there is still a good selection of Chinese restaurants and stores along H Street east of…