Nasser decided to call out sick from his job at the US state department on the third day of the Israel-Hamas war. He’d been watching Al Jazeera English on YouTube – he couldn’t stomach American cable – in horror as Hamas’s attack on Israel unfolded. He knew Israel’s retaliation on Palestinians would be deadly, and indeed it was, as Israel launched its first airstrikes on Gaza over the weekend. “I couldn’t face dealing with work tasks and spreadsheets,” he said. “It was too depressing, too stressful.” Nasser, who does data analysis for the state department but emphasized he does not...