King would be fighting the ill-defined fear and antipathy that made northern whites flee at the sight of a black neighbor, turn away blacks at realty offices, or not hire them if they chose. The “enemy” was a feeling, a general unease that led to the flight of white people and businesses and sucked the resources out of the ghettos the migrants were quarantined into. No laws could make frightened white northerners care about blacks enough to permit them full access to the system they dominated.

