Equine therapy — which Anthony Weiner participated in at a Meadows-style facility called Recovery Ranch in Nunnelly, Tenn. — encourages sex addicts, many of whom may be emotionally calloused from their desires to deceive loved ones, to rediscover how it feels to take care of another living being. “You go into a big arena and there are horses,” said the source. “Ten of us spent 20 or 30 minutes walking around and interacting with the horses. We got a sense of their personalities and talked about it when we got back. You talked about how the horses responded to you...