San Francisco and its environs enjoy a longstanding reputation as a progressive haven within the US, a place associated with gay pride, school desegregation, freedom of speech, hippies, and, now, hipsters attempting to advance human potential and quality of life through technology. But as recent events in the city attest, there’s another San Francisco, one where only 6% of city residents (but 56% of the city’s jail population) are black; a San Francisco built on a legacy of decades of imported racism.