The difference is eveybody already knows that Iran has the weapons to attack Europe and any country in the middle east. The already have medium/long range missles. All you need to do is watch their weapons testing to know about that. The point that you need leaders to tell you this is mute here.
Magnitude 4.2 quake strikes near Grand Coulee Dam in Washington (Reuters)
from the article: Ahmadinejad: Israel, U.S. threats to attack part of 'psychological war'