It’s good to have friends in high places who show up when you need them. That may be the most valuable lesson Iran unintentionally taught Israel last weekend, but as the smoke clears, the big question is whether Israel will heed friendly advice. Israelis are caught between President Joe Biden’s counsel to “take the win” and their need to not let the attack go unanswered. The desire, even the need, to respond is understandable from both military and psychological perspectives. Israeli leaders have to ask themselves whether restraint, as its friends are urging, is a sign of strength or weakness. ...