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PBS News Hour
Lessons for Trump on sending National Guard to the border
President Trump said Thursday that he wants to send as many as 4,000 National Guard troops to secure the U.S.-Mexico border. While his plan has raised concerns, there is precedent from past administrations. John Yang speaks with former ICE acting director John Sandweg and former Department of Homeland Security adviser Theresa Cardinal Brown about decision to deploy troops, then and now.
