In the years after 9/11, Flynt Leverett and Hillary Mann worked at the highest levels of the Bush administration as Middle East policy experts for the National Security Council. Mann conducted secret negotiations with Iran. Leverett traveled with Colin Powell and advised Condoleezza Rice. They each played crucial roles in formulating policy for the region leading up to the war in Iraq. But when they left the White House, they left with a growing sense of alarm -- not only was the Bush administration headed straight for war with Iran, it had been set on this course for years. That...