The Trump administration is testing the limits of presidential power with National Guard deployments, with one adviser saying the president has "plenary authority" on the use of the military.

White House Deputy Chief of Staff Stephen Miller mentioned President Donald Trump's "plenary authority," under Title 10 of the U.S. Code when asked in an Oct. 6 CNN interview if the administration would follow a federal judge's order not to deploy the national guard to Portland, Oregon, Time and other outlets reported.

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