Why the world must act against Iran ? so Israel will stay the only bully in the middle east with Nukes ? if Israel doesn't like the fact of Iran becoming a Nuclear nation then go ahead and do your dirty work, no one will do it for you, we wont be sacrificing a single US Soldier for the sake of Israel.
US rally shows support for ex-Marine held by Iran on spying charges (AP)
from the article: Barak: World must act against Iran before it's too late