Cyber will be part of any future conflict - whether it's a nation state or terrorism.

As long as there are people who are not happy with their lot in life, as long as the United States is perceived to somehow be the cause of this unhappiness, there will be terrorism.

The United States government does not negotiate with terrorists.

Osama bin Laden's own words stated he has a war against the United States. He declared that American civilians should be considered as combatants.

Cyber will be part of any future conflict - whether it's a nation state or terrorism.

We worked to develop our own operations to advance U.S. counterterrorism objectives by penetrating terrorist safe havens and collecting intelligence that would inform policy and enable our own operations.

I was an intelligence officer, not a policy-maker.