From day one of the response to the coronavirus, NSC has insisted on the principle of radical transparency.

John Ullyot

The American people should have confidence that they are receiving the same safe and effective vaccine as senior officials of the United States government on the advice of public health professionals and national security leadership.

He's trying to run for president, so his target audience is people who are frustrated with Washington. He's got a safe seat so he doesn't have to answer to anybody. There is no downside to him for throwing bombs at Senate leadership and that's got to be very frustrating for Sen. McConnell and others in the Republican leadership.