Benjamin Stepp, an Iraq war veteran, sat in his graduate school course trying to focus on the lecture. Neither his classmates nor his professor knew he was silently seething.
But his service dog, Arleigh, did. She sensed his agitation and “put herself in my lap,” said Mr. Stepp, 37, of Holly Springs, Miss. “I realized I needed to get out of class. We went outside, I calmed down. We breathed.”
