Rep. Ruben Gallego criticizes Trump sending National Guard to Mexico border

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Rep. Ruben Gallego, D-Ariz., criticized President Trump’s decision to send the National Guard to the U.S.-Mexico border. A day after White House Press Secretary Sarah Huckabee Sanders clapped back at him during a media briefing, Gallego, an Iraq War veteran, spoke with Andrea Mitchell about why Trump’s decision should “concern us all.”