In an unassuming park overlooking San Francisco’s Chinatown are three bronze women. They’re holding hands in solidarity, backs against one another, and standing defiantly on a pedestal as a halmoni—Korean for grandmother—gazes up at them. The four make up the city’s memorial to an estimated 200,000 “comfort women” in countries like China, Korea, and the Philippines who were forced to work in brothels run by and for the Japanese Imperial Army between the Sino-Japanese War in the 1930s and World W…