Ahmadinejad says his weapons are logic , culture and human values . Even before he arrived , Ahmadinejad 's plans for a Latin American tour grabbed global attention , as tensions grow between many Western powers and Iran over Tehran 's nuclear program . Comment: The Iranian president is on a four-nation Latin American tour .
Ahmadinejad says his weapons are logic , culture and human values . Comment: The Iranian president is on a four-nation Latin American tour .