For Australian-German author and journalist Antony Loewenstein, Gaza was rarely a place to fear as a Jew. Living and working in East Jerusalem, before the war, he was a visitor to the Palestinian enclave, enjoying its seafood, its culture, its hospitality, and its people. "I thought it was important as a Jew, to say to people in the outside world, Gaza is not some far away land that is too scary for you to contemplate," he says. "You always hear children. Roughly half the population is under 18. So often you're seeing kids playing, laughing, crying, screaming … everywhere. "And...