When Elvis Presley appeared on the screen, Riley Keough could not look away. For most people in the theater, it was restored footage of one of the greatest entertainers who ever lived. For Riley, it was something far more emotional. It was a chance to see her grandfather alive again. Not as a photograph hanging on a wall. Not as a story passed down through generations. But as a living, breathing man moving across the stage, smiling at the audience, and singing with the energy that once captivated the world.
When Elvis Presley appeared on the screen, Riley Keough could not look away. For most people in the theater, it was restored footage of one of the greatest entertainers who…