Tzachi Hanegbi quotes:

We have switched from defense to offense and in this battle all the members of the Hamas leadership are legitimate targets.

I don't see that there is a credible threat for American action - the rhetoric of the U.S. President is too vague, very amorphous. I don't see that Obama's words will be translated into more tangible intentions and therefore this is probably why the Iranians don't take it seriously. They speak out against it and they dismiss it.

Where there is a fence, there is no terror. Where there's no fence, there is terror.