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President George W. Bush listens to Hermann Grunder, Director of the Argonne National Laboratory, during a tour of the research facilities with Homeland Security Director Tom Ridge, Secretary of Energy Spencer Abraham and Speaker of the House of Representatives Dennis Hastert, R-IL., in Argonne, IL., July 22. Sponsored by the Dept. of Energy and operated by the University of Chicago, the laboratory is combating terrorism through innovative projects such as detectors for neutrons, biological and chemical agents and developing an emergency response system that coordinates various technologies. White House photo by Paul Morse.