In a 45-minute interview in the Cabinet Room, the president kept stressing one argument: Don’t judge me on whether this deal transforms Iran, ends Iran’s aggressive behavior toward some of its Arab neighbors or leads to détente between Shiites and Sunnis. Judge me on one thing: Does this deal prevent Iran from breaking out with a nuclear weapon for the next 10 years and is that a better outcome for America, Israel and our Arab allies than any other alternative on the table?