A couple of years ago, I participated in an Aspen Institute symposium on the state of race. During the roundtable that followed the panels, as I spoke about my experiences growing up black in the 1990s, I was interrupted by a Latino sociologist and former gang member from UC Santa Barbara. People who care about people of color, the professor instructed me, ought to focus their energies on continued systemic racism and forget about anything so nebulous and untrustworthy as observation. Like it or not, I was the victim of greater social forces. It did not matter that I had...