The most important point for me, however, is that if the government spent on traffic a fraction of the time they spend on signs, Iranians wouldn't be treated worse than Swiss dog shit. The rule of law would be enforced and many of the problems of Iranian society would disappear at once.
Some links on how the US helped Iran with their nuclear program before the revolution. Dilip Hiro probably has a good book about this.
Slashdot has an article advising you to buy a bad computer for US college, because you won't be able to play games and if you work it out you're probably spending $1 a minute on classes!