Leslie Martin and Cassie the "therapy dog," who likes to sleep at the feet of the vets as they're talking, and nuzzle them now and then. (Krissy Clark)

Decades Later, Haunted by PTSD

Leslie Martin and Cassie the "therapy dog," who likes to sleep at the feet of the vets as they're talking, and nuzzle them now and then.

Credit: Krissy Clark