Anti-government militia groups have called for “boots on the ground” to defend against a Black militia march planned for Saturday in Louisville. In Facebook posts, videos and images, groups associated with the Three Percenter movement have requested members come to the city to act as “security” to oppose a Black militia known as the “Not F***ing Around Coalition” (NFAC). It’s unclear how many militia members will actually descend on Louisville, but with opposing armed militias announcing marches amid a city already reckoning with months of protests, experts say the city is steering toward the precipice of violence. Organizers of a...