A little girl lies on a hospital bed waiting for first-aid treatment at Al-Awda Hospital at the Nuseirat refugee camp in the central Gaza Strip, after an Israeli air strike that hit a school in the camp on May 19th. Photograph: Eyad Baba/AFP via Getty Images Two recent images, amid a deluge of images, encapsulate the intensifying moral horror of what is happening in plain sight in Gaza. The first is a piece of footage, filmed from the middle distance on a mobile phone, depicting the silhouette of a small girl staggering through an inferno – at a school on...