Koch brothers' network launches digital ad blitz thanking Democrat Sen. Heidi Heitkamp

Americans for Prosperity is unleashing a digital advertising campaign on Friday thanking North Dakota Democratic Sen. Heidi Heitkamp for co-sponsoring the Economic Growth, Regulatory Relief and Consumer Protect Act. Heitkamp is trying to protect her seat against her rival, Rep. Kevin Cramer.
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Fri, Jun 1 201812:36 PM EDT