Do we need another performance-art sermon on America’s innate unfairness from billionaire entertainers such as Beyonce, Jay-Z, or Oprah Winfrey? Pictured: Beyonce and Jay-Z perform during the Global Citizen Festival: Mandela 100 at FNB Stadium in Johannesburg, South Africa, Dec. 2, 2018. (Photo: Kevin Mazur/Getty Images) Commentary By Victor Davis Hanson is a classicist and historian at the Hoover Institution at Stanford University, and author of the book "The Second World Wars: How the First Global Conflict Was Fought and Won." You can reach him by e-mailing [email protected] How often d...