Dog days of summer: Airport therapy via wagging tail

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In this photo taken Tuesday, May 21, 2013, Travelers bound to India are greeted by volunteers with Pets Unstressing Passengers (PUPs) Brian Valente and his dog Finn, far left, and Lou Friedman and Hazel, second from left, as they walk around the Los Angeles International Airport terminal. The Los Angeles International Airport has 30 therapy dogs and is hoping to expand its program. The dogs are intended to take the stress out of travel: the crowds, long lines and terrorism concerns. (AP Photo/Damian Dovarganes)
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