Sign up for the Slatest to get the most insightful analysis, criticism, and advice out there, delivered to your inbox daily. Israel today launched an air strike on Hamas leaders in Doha, the capital of Qatar, where they were discussing a possible peace deal in Gaza—a move that signals three things. First, no ceasefire, much less an enduring peace, is anywhere near, much less on, the table. Second, Hamas is in weaker shape than ever. But third, despite its military advantages, Israel is widening the war at huge political risks. Most remarkable of all, these risks include further alienating President...