President Hasan Rowhani, a reformer, is worried about being stymied in his economic and diplomatic initiatives by regime hard-liners.
White House spokesman Jay Carney says negotiations with Iran over its nuclear program have had "a level of seriousness and substance that we had not seen before," however "no one should expect a breakthrough overnight."
Unlike Mahmoud Ahmadinejad, who as Iran's president convened a conference to investigate the Holocaust as hoax, Hasan Rowhani has another take.
More than three decades after the hostage crisis, the presidents of the United States and Iran spoke at the United Nations, apparently eager to repair relations between the two countries.
In his first interview with Western media, Iran's newly elected president said he speaks "with full power" and "complete authority" when he says "under no circumstances would we seek any weapons of mass destruction, including nuclear weapons, nor will we ever."
A look at the day's political happenings, including Iran elects a new president and the latest Gallup poll reveals which societal institution Americans have the least amount of confidence in.