As President Donald Trump moves this week to extricate himself from a conflict that a CBS News poll finds most Americans want ended now, the powerful donor-class networks that want endless war have rapidly moved to sabotage his efforts. It is no surprise which portions of the right have mounted an emergency campaign against Trump and Vice President J.D. Vance’s recent peace efforts. Israel Hayom—owned by the Trump mega-donor Miriam Adelson—published a blistering open letter accusing Trump of signing a “surrender agreement with a murderous and cruel terror regime.” The Wall Street Journal editorial board has been carping about the...