One of the people working with billionaire Elon Musk in his efforts to overhaul the U.S. government is a Berkeley-educated computer scientist who has boosted white supremacists and misogynists online.

A federal judge on Friday declined to block Elon Musk's government cost-cutting department from accessing the U.S. Department of Labor's systems, an initial setback for the government employee unions resisting his efforts to shrink the federal bureaucracy.