Julián Castro becomes 10th Democrat to qualify for September debate

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Published on 20 Aug 2019, 22:45
Former Housing and Urban Development Secretary Julián Castro is the latest Democratic candidate to qualify for September's debates, thanks to a new national poll putting him at 2%. But how well do national polls reflect what's happening on the campaign trail? CBSN political reporter Caitlin Huey-Burns joined "Red & Blue" to explain.