CNN asked Miller whether the Trump Administration will abide by a district judge’s order blocking the Guard’s deployment in Oregon. “Well, the Administration filed an appeal this morning with the Ninth Circuit,” Miller began. “I would note the Administration won an identical case in the Ninth Circuit just a few months ago with respect to the federalizing of the California National Guard.”
Then, Miller said: “Under Title 10 of the U.S. Code, the President has plenary authority, has—” before making an abrupt stop. Miller blinked several times, with anchor Boris Sanchez calling out his name, though he still did not respond.
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https://en.wikipedia.org/wiki/Plenary_power
A plenary power or plenary authority is a complete and absolute power to take action on a particular issue, with no limitations.
IMO, not technical glitch, more of a … Miller fucked up his speedball cocktail that day, realized it mid sentence, and then pretended it was a technical glitch.