The conflict between Israel and the Palestinians took another catastrophic turn Tuesday, when hundreds of people were reportedly killed in a blast at a Gaza City hospital. It came within a day of President Biden’s anticipated arrival in Israel. Hamas has blamed the massive explosion on an Israeli airstrike. The Israel Defense Forces (IDF) have claimed rockets fired by Islamic Jihad were responsible. Neither version of events has been independently verified. Even before the latest tragedy, about 2,800 Palestinians had been killed in reprisals for a surprise Hamas attack on Oct. 7, which claimed the lives of about 1,400 Israelis....