When Mr. Trump pledges to restore law and order, he is not promising to “protect White America,” in Sally Kohn’s words. He is addressing a problem that whites could easily ignore, if they were the bigots that the Black Lives Matter movement and nearly the whole of academia make them out to be.

Strangely, it is Mr. Obama and Black Lives Matter sympathizers who have turned their eyes from the rising black victimization. FBI Director James Comey warned last October that the “chill wind blowing through American law enforcement” was leading to a “huge increase” in urban homicides and shootings. Mr. Obama promptly accused him of “cherry-picking data” and having a “political agenda.”

After Mr. Trump drew attention in his convention speech to the rising urban violence, President Obama again dismissed the casualties as merely an “uptick in murders and violent crime in some cities.” It is hard not to translate this is as: white lives matter; black lives, not so much.

Mr. Trump’s call to restore law and order recognizes the right of inner-city residents to enjoy the same freedom from fear that the rest of America now takes for granted, thanks to the 20-year decline in crime brought on by the proactive policing revolution of the 1990s. Mr. Trump has issued a much-needed warning that the antipolice narrative is putting black lives in jeopardy and undercutting the foundation of a civilized society. It is a message he should amplify.