Juan Cole compares the EVIL factor between the Iranian president and the Israeli leader:

Informed Comment
The difference between Ahmadinejad and Olmert is that the Iranian president is a blowhard. The one who had practical plans to wipe a country off the map was Olmert.

Not to mention the irony of the insistence that Iran cannot be allowed to have nuclear weapons, when the people doing the insisting (the US) are the only ones to ever actually use them.  And now,  after decades of inisisting that such weapons are only a “deterrent”,  this U.S. leaders we have now have declared that “all options are on the table”.  With Cheney playing that “One Percent Doctrine” strategy,  the United States are the ones to be feared.