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By David Paul Kuhn
Mr. Kuhn, a co-producer of the forthcoming PBS documentary “Hard Hat Riot,” is the author of “The Hardhat Riot: Nixon, New York City, and the Dawn of the White Working-Class Revolution.”
Democrats are spending tens of millions of dollars to understand the working class that once defined their party. They face an identity crisis at the very moment they are trying to attract blue-collar voters who no longer think the political left sees them — or cares.
That soul-searching raises an excruciating question: Why did the working class switch sides?
