How Magnanimous of Him

The department of defense has been refusing to allow Dr. Kaye Whitley to testify before the House Oversight and Government Reform Committee, which had previously been refused

She had been ordered not to testify, even though the committee had subpoenaed her.

This isn't national security though, she's the Pentagon's expert on sexual abuse and sexual assault in the military, the director of the Department of Defense Sexual Assault Prevention and Response Office.