A former director of a unit within the U.S. Department of Justice — the Community Relations Service — said he regularly issued warnings to employees who favored advocacy over law or used their positions to push personal agendas based on perceived biases. The CRS is supposed to provide conflict resolution and mediation services. “I found that some employees of CRS talked neutrally in public and spoke in the tenor of mediators in public, but behind the scenes, when they talked to the civil rights groups or the perceived aggrieved parties, they’ll say, essentially, ‘Don’t worry. The Department of Justice is...