Or take the opportunity offered to the United States following the attacks of September 11, 2001, when both Ayatollah Ali Khamenei and President Mohammed Khatami condemned the Sunni al Qaeda terrorism in no uncertain terms and Iranians held vigils for the victims in the streets of Tehran...or the help Iran gave to the US-led coalition against the Taliban later that year; or the Iranian offer for substantial talks following the fall of Baghdad in the Spring of 2003.