The US Embassy hostages in Iran.
There are no US troops presently in Iran (as of May 2008)
The US backed the Shah of Iran who was an authoritarian monarch.
US by far
No, from Dubai and many other places but Iran
no.
NO.
No
At the time, Iran was a bigger threat to the US, and giving Iran another strong enemy to worry about would help US in it's machinations against Iran.
An Irainian
Iran doesn't get along with US and vise versa since the Iranian reveletion in 1979. Iran calls US the big Satan and US sees Iran as a threat.
It is Iran's nuclear ambitions.