Country newcomer David Kersh is telling his story as part of Southwest Airlines "Symbol of Freedom" advertising campaign. A television spot featuring Kersh recently debuted. As a country music newcomer and Southwest Airlines passenger, the young singer will provide a brief performance and testimonial for the 30-second spot which was shot in November at Dallas and Nashville locations. The commercial features Kersh on stage and off, as well as a cut from his "Goodnight Sweetheart" hit.