The foreign correspondent’s son Henry was diagnosed with Rett Syndrome in 2017 Richard Engel is sharing heartbreaking news about his son’s health. The 6-year-old has Rett Syndrome, a rare genetic neurological disorder. In a touching video that Richard shared on Twitter Monday, his son Theo, 2, affectionately kisses Henry on the forehead as Henry lays in bed. “One more?” Theo …