It’s a particularly dangerous moment for Israel and Palestine. Secretary of State Antony Blinken arrived in the Middle East last week on a previously scheduled trip after 48 hours of violence: a terrorist attack in East Jerusalem killed seven Israelis and an Israeli raid on the refugee camp of Jenin killed nine Palestinians, culminating a month in which Palestinians experienced the highest level of killings at the hands of Israeli forces and Israeli settlers in more than a decade. The situation called for US leadership. Blinken was there to “urge de-escalation,” as the Biden administration described it, at a time...