Witness Testimony Dr. John R. Christy Professor and Director Earth System Science Center, NSSTC University of Alabama in Huntsville 320 Sparkman Drive, NSSTC 4040 Huntsville, AL, 35805 Questions Surrounding the ‘Hockey Stick’ Temperature Studies: Implications for Climate Change Assessments Subcommittee on Oversight and Investigations July 27, 2006 2:00 PM Testimony is available in PDF format.