A veteran walked into a women's correctional facility with his service dog by his side. The moment the dog spotted a familiar face across the yard, he took off running, and the reunion that followed became the emotional center of a documentary that caught Oprah's attention. A Soldier Who Could Barely Leave the House Bill Campbell, a sergeant with the Army National Guard, … [Read more...] about Veteran Brings Service Dog Back to Prison — And the Dog Remembers Exactly Who Trained Him