President Biden will visit Israel tomorrow after accepting an invitation from Benjamin Netanyahu. Biden will be following his secretary of state, Antony Blinken, who was in Israel yesterday for the second time in the past week, after already having visited Egypt, Qatar, Saudi Arabia and elsewhere. In today’s newsletter, we’ll explain what the U.S. is hoping to accomplish with this flurry of diplomacy over the past few days. 1. Support Israel The U.S. is not trying to prevent an Israeli invasion of Gaza. Any country attacked as Israel was on Oct. 7 — with Hamas’s killing of more than 1,400...