Throughout June, CNN offered previews of its deep-dive documentary of the 40th anniversary of Live Aid. The first part was broadcast on July 13th and in the weeks since, the retrospective has been accompanied with disturbing contemporary reportage and footage of the horrific scenes of starvation and mass hunger afflicting people in bombed-out Gaza. This was the first week that the humanitarian crisis, and the shocking realisation that thousands of children are starving and dying while food and aid languishes nearby, has become a dominant news story in the United States. Since Donald Trump took office, Israel’s prime minister Binyamin...