AdvertisementHow Far Apart On Iran Are GOP Candidates, Obama?March 08, 2012Tom GjeltenfacebookEmailIranian President Mahmoud Ahmadinejad visits the Natanz uranium enrichment facility in April 2008. Western governments suspect Iran is seeking nuclear weapons, a charge Tehran denies. How to handle the possible threat from a nuclear-armed Iran is a major foreign policy concern of the U.S. (AP)