Two weeks ago, I met the Tunisian Ambassador Fayçal Gouia at his welcome luncheon hosted by the National United States Arab Chamber of Commerce here in Washington. I learned that Ambassador Gouia grew up singing. He told me that culture plays a significant role in diplomacy. Although Ambassador Gouia and I had just met, we clicked instantly through our love for the arts. On May 18, 2015, President Barack Obama accepted the credentials of Ambassador Gouia, a longtime member o