Former NSA and CIA Director, Retired Air Force General Michael Hayden

Former NSA and CIA Director, Retired Air Force General Michael Hayden speaks at a UNT luncheon.

Former CIA and NSA director, Retired Air Force General Michael Hayden, speaks about "A Global Outlook" during a luncheon as part of the University of North Texas Kuehne speaker series on national security at the Hyatt Regency in Dallas, Tuesday, February 4, 2014. Special/Brandon Wade

Former CIA and NSA director, Retired Air Force General Michael Hayden, speaks about "A Global Outlook" during a luncheon as part of the University of North Texas Kuehne speaker series on national security at the Hyatt Regency in Dallas, Tuesday, February 4, 2014. Special/Brandon Wade

Former CIA and NSA director, Retired Air Force General Michael Hayden, speaks about "A Global Outlook" during a luncheon as part of the University of North Texas Kuehne speaker series on national security at the Hyatt Regency in Dallas, Tuesday, February 4, 2014. Special/Brandon Wade

Ross Perot, Sr., left, introduces former CIA and NSA director, Retired Air Force General Michael Hayden, right, during a luncheon titled "A Global Outlook" as part of the University of North Texas Kuehne speaker series on national security at the Hyatt Regency in Dallas, Tuesday, February 4, 2014. Special/Brandon Wade

University of North Texas President Dr. Neal Smatresk speaks during a luncheon titled "A Global Outlook" as part of the University of North Texas Kuehne speaker series on national security at the Hyatt Regency in Dallas, Tuesday, February 4, 2014. Former CIA and NSA director, Retired Air Force General Michael Hayden, was the keynote speaker. Special/Brandon Wade