Oliver Anthony is the name we know him by. He’s the viral music sensation from Virginia who wrote the overnight hit “Rich Men North of Richmond,” a song that’s struck a chord with the American working man and become an anthem against Washington, D.C. political elites. By all accounts, Mr. Anthony seems to be a patriotic, Christian young man leading a simple life filled with hard work and faith. He’s transitioned from factory work to outside sales and clearly has a passion and talent for music. Yet, beyond these facts, we don’t know much about Mr. Anthony. That is, until...