Breathless predictions that the Islamic Republic will soon be at the brink of nuclear capability, or – worse – acquire an actual nuclear bomb, are not new.

For more than quarter of a century Western officials have claimed repeatedly that Iran is close to joining the nuclear club. Such a result is always declared "unacceptable" and a possible reason for military action, with "all options on the table" to prevent upsetting the Mideast strategic balance dominated by the US and Israel.

And yet, those predictions have time and again come and gone. This chronicle of past predictions lends historical perspective to today’s rhetoric about Iran.