"While everyone agrees the concessions are small, it's reminiscent of prostitution - the act isn't defined by THE price, but A price."

So, in dog world is Iran the whore and US the John?

An important aspect of Iran and using nuclear technology is that even if Iran only uses nuclear technology for peaceful purposes, there is a danger that without Western safety procedures and culture, that Iran could have a nuclear accident- resulting in harm to it's own citizens and having radioactive material polluting other countries. Having Iran join the WTO could be useful in terms of ensuring safety and security measures are followed.