RICHLAND, Wash. -- President Barack Obama has been publicly warning Syria’s leaders not to use chemical weapons against their own people. The news is unexpectedly relevant in southeast Washington. Researchers at at the Pacific Northwest National Laboratory are developing new scientific techniques to trace chemical agents back to their sources.
Carlos Fraga is a dapperly dressed Ph.D. chemist, doing research for the U.S. Department of Homeland Security. His lab looks normal enough -- that is until he points out a certain cabinet.