In the 1950s, politicians and commentators agreed that those commonsense American ideas had produced a “liberal consensus,” shared by most Democrats and Republicans alike. The government should regulate business, provide for basic social welfare, and promote infrastructure: the New Deal had finally achieved the government that best reflected democratic values. In this worldview, Americans stood firmly between leftist revolution on one side and right-wing reaction on the other. “Liberalism,” the influential literary critic Lionel Trilling wrote, “is not only the dominant but even the sole
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