Until Tuesday: A Wounded Warrior and the Golden Retriever Who Saved Him

A highly decorated captain in the U.S. Army, Luis Montalván never backed down from a challenge during his two tours of duty in Iraq. After returning home from combat, however, his physical wounds and crippling post-traumatic stress disorder began to take their toll. He wondered if he would ever recover.

Then Luis met Tuesday, a sensitive golden retriever trained to assist p...