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Therapy dogs

Lily Willinger, 2, of Newtown Conn., pets Tilley, a golden retriever therapy dog, during a visit from the dogs and their handlers to a memorial for the Sandy Hook Elementary School shooting victims, Tuesday, Dec. 18, 2012, in Newtown, Conn. (AP Photo/David Goldman)

Therapy dogs at work in Connecticut

Therapy dogs have been brought in from around the U.S. to provide

comfort to Newtown residents following the recent massacre at Sandy

Hook Elementary School.