Cordial message from Mohammad Javad Zarif could be diplomatic step.

Has pledged a less confrontational approach to nuke talks with six world powers.

Hassan Rohani pledged a new tone of respect in Tehran's international affairs.

Banned from upcoming elections, the former president is not holding back in his criticism of the ruling ayatollahs.

Iran's leader is angered over a decision to disqualify his top aide from an upcoming presidential race.

Speculation Guardian Council has nixed Rafsanjani, Ahmadinejad confidante Mashaei.

Experts believe web access is slowed because of government monitoring ahead of June 14 vote.

Former president's entry in the race scrambled equations because of his popularity, reputation.

Comments point to a wide-ranging effort by Iranian authorities to intimidate opposition groups.