"Roger W. Cressey" is a former member of the United States National Security Council staff, where he held the position of Director for Transnational Threats from November 1999 through November 2001. He was until recently the president of the Good Harbor Consulting/Good Harbor consultants/consulting group, and an adjunct professor of counter-terrorism policy at Georgetown University. Currently he is a Partner with Liberty Group Ventures, LLC.

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This is not a small fish. This is a big fish.

You have to accept the possibility that a major portion of the people will be left behind. You may have to write some of them off in far larger numbers than people realize.

You can receive information about the broad outline of a specific plot and not have enough granularity to the information that allows for the type of follow-up that law enforcement can do.

In times of crisis I think you have to explore, use every capability and explore every option. But past those, in the day-to-day operations when there is no imminent threat, you need to revisit procedures and structures in place to ensure proper oversight.

Creating a significant policy shop is like Bureaucracy 101. We never heard anything back.

A high volume of people have to move quickly, and as a result you can't have the layered security in place like you do at airports. That makes it very difficult to defend.

The greater concern is the presence of anti-global leaders who may use the international spotlight on the Olympics as an opportunity to cause destruction.

The Secret Service is the best in the business, but their pucker factor right now is really high. They're very worried because it is a high risk environment, and they cannot control the environment within which the President is handled.