The video indicates that he wants to nuke Israel (the little Satan) -- not the US (the great Satan) -- but as far as I know radiation from hydrogen bombs doesn't recognize borders. Iran is a large land, but Israel has the hydrogen bombs to fully destroy Iran if attacked. The threat of mutual destruction worked with the US and the USSR, but it is not going to work with an Islamic state like Iran where the controlling clergy believe that with this nuclear war the Mahdi, their version of Jesus, will appear and reign on earth.