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Testimony before the Subcommittee on Intergovernmental Relations of the Committee on Government Operations, U.S. House of Representatives
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Testimony before the Legislation and National Security Subcommittee of the Committee on Government Operations, U.S. House of Representatives
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Testimony before the Committee on Education and Labor, U.S. House of Representatives
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Testimony before the Committee on the Budget, United States Senate
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Testimony before the Subcommittee on Energy and Mineral Resources, Committee on Energy and Natural Resources, Unites States Senate