Barry Latzer has this article with the above title in the City Journal on the Kerner Commission Report half a century ago.

Fifty-one years ago, in July 1967, in response to an explosion of rioting in poor black urban neighborhoods around the United States, President Lyndon B. Johnson created a National Advisory Commission on Civil Disorders, to be headed by Illinois governor Otto Kerner. The Kerner Commission issued its report seven months later, on February 29, 1968 ...

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In one sense, the Kerner Report reflected the liberal optimism of its era: federal programs to provide job training, social welfare, and slum clearance would right the wrongs of racism, it was widely believed. But in its bleak analysis and failure to account for the profound changes that had already been set in motion, the report also signaled the liberal pessimism that has become predominant on racial matters ever since. It's easier to see, looking back 50 years later, that the United States was headed in the right direction. The great crusade for civil rights not only drove down residential segregation; it also created opportunities for genuine African-American socioeconomic advancement. Yet the Kerner Report remains somehow deathless, its erroneous predictions taken as prophecy, its misguided prescriptions still blocking more constructive approaches to the problems that remain.