Few people look twice these days at veterans accompanied by service dogs that help their humans cope with post-traumatic stress disorder. Not so with spider monkeys. When a female patient brought two of the small, wiry monkeys to an appointment last Wednesday at Wilford Hall Ambulatory Surgical Center, a military clinic on the West Side, staffers looked twice. And then they asked her to leave. “The animals were under blankets and not immediately visible, but once staff became aware, they politely informed the patient that emotional support animals, to include monkeys, are not permitted in a military medical facility,” said...