Ed Djerejian, in the WashingtonTimes, here
"...The Iranians have engaged with us on Iraq, but they do not want a dialogue on Iraq alone. They seek a broader agenda of discussions where the major issues, both bilateral and regional, are on the table. Sustained engagement between the United States and Iran on key issues (e.g., Iraq, Afghanistan, Arab-Israeli peace, terrorism, support for Hezbollah and Hamas, human rights, and bilateral relations) could make real progress possible on the nuclear issue. We need to put Iran into perspective. Without question, Iran is a regional power in the Gulf and Middle East, by virtue of its size, strategic location, rich history and culture, and oil and gas resources. But Iran is not the Soviet Union, which constituted an existential strategic threat to the United States..."