Lawrence Grandpre, research director for the Baltimore-based activist organization “Leaders of a Beautiful Struggle,” agrees in principle with the demand for defunding police but doesn’t think Black Lives Matter has been able to sell the concept in Black communities. “Working people need to see you on the ground every day, for years, pushing that alternative,” but that’s not yet happened, said Grandpre, speaking on Dr. Jared Ball’s acclaimed podcast “I Mix What I Like.”