ROSEMONT, IL - SEPTEMBER 22: Bedbug-detecting dog Barney signals which container has live bed bugs during a demonstration at the Bed Bug University North American Summit 2010 on September 22, 2010 in Rosemont, Illinois. The two-day conference of bed bug experts and pest control workers featured seminars from researchers and vendors displaying the latest products focused on bedbug detection, elimination and prevention. (Photo by Brian Kersey/Getty Images)
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