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Before the Committee on Oversight and Government Reform
July 20, 2006
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Before the Committee on Oversight and Government Reform
July 20, 2006
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Before the Committee on Energy and Natural Resources
April 4, 2006
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Before the Committee on Foreign Relations
November 14, 2005
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Before the Committee on Foreign Relations
May 19, 2005
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Before the Committee on Commerce, Science, and Transportation
January 8, 2003
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Before the Committee on Governmental Affairs
July 18, 2001
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Before the Committee on Commerce, Science, and Transportation
July 10, 2001
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Before the Committee on Environment and Public Works
March 24, 1999