I found it quite illuminating to peruse the list of the shills^H^H^H^H^H^Hwitnesses who are going to be allowed to testify:

Christopher L. McLaughlin, Transportation Security Administration, Assistant Administrator for Security Operations

Stephen Sadler, Transportation Security Administration, Assistant Administrator for Intelligence and Analysis

Rear Admiral Paul F. Zukunft, U.S. Coast Guard, Assistant Commandant for Marine Safety, Security & Stewardship

Stephen M. Lord, U.S. Government Accountability Office, Director, Homeland Security