Don't believe Iran can reach anyone except Middle-East and I don't think nuking Israel would be good since winds would move nuke dust across entire middle east.
This is different from Korea, Clinton paid Korea not to build weapons so, they did it in secret (while taking the money) Iran has at least always said it is, was and will develop nuke technology.
Iran already has missiles that can reach most all of Europe and they have an active ICBM program. Iranian leaders have said that 10 million deaths would be justified in destroying Israel so they don't really care where the fallout goes.
Do some research. Iran is a danger to the entire world.
1) The regime doesn't care which way the wind blows
2) Iran hid its nuke program for almost 2 decades.