They are considering the opposition between Iran and Arab countries of Middle East with an occidental way of thinking, in military terms only, THAT’S A BIG MISTAKE. In fact, Iran authorities desire to acquire atomic bomb for a RELIGIOUS SUPREMACY of the region. THE IRANIAN AYATOLLAHS WANT THE REVENGE OF THE BATTLE OF KERBALA (October 10, 680), which is the beginning of the Sunnis supremacy of the Islamic World. Shias want to stop what they consider a hijacking of Islam. While the analysts of the U.S institute CNAS are ignoring this dimension, Sunni Muslim Saudi Arabia, Egypt and others are perfectly aware of the main Iranian goal.
Fear of rioting, disorder prompt at Temple Mount prompt restrictions on Muslim worshiper (Haaretz)
from the article: U.S. think tank: Iran nuke unlikely to start Mideast arms race