President Obama wants a unified front against Iran, and to that end he stood together with Nicolas Sarkozy and Gordon Brown in Pittsburgh on Friday morning to reveal the news about Tehran's secret facility to build bomb-grade fuel. But now we hear that the French and British leaders were quietly seething on stage, annoyed by America's handling of the announcement.

Both countries wanted to confront Iran a day earlier at the United Nations. Mr. Obama was, after all, chairing a Security Council session...