06/16/2014 09:46 am ET Updated Jun 16, 2014

Scott Walker's Toxic Racial Politics

Spencer Platt via Getty Images

n early August of 2011, a few days after Congress passed a deal to end the debt-ceiling showdown that brought the nation to the brink of credit default, a conservative talk-radio host in the Milwaukee suburbs went on an extended riff about Gwen Moore, the first African American elected to the House from Wisconsin.

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