If anything caused ISIS, it was the 2003 U.S. invasion of Iraq.

We consider ISIS and extremism to be a threat to all of us in the region. . . . Our position is that we help the legitimate governments in the region that have representation in the United Nations. We help the Iraqi government on their request through advisers; we help the Syrian government on their request to help with advisers to fight extremists. . . . So it's both lawful and legitimate.

If anything caused ISIS, it was the 2003 U.S. invasion of Iraq.

I think the most important challenge that remains is this mentality in Washington that sanctions have been an asset, and some people want to find even an excuse to keep them or an excuse to reintroduce them. I don't know whether they've looked at the record of how sanctions actually produce exactly the opposite of what they wanted to produce.

The nuclear program is not the only issue dividing Iran and the US. Iran's role in the region is also creating conflicts. For example, you support the Shiite Houthi militias in Yemen whereas the US is on the side of the coalition led by Saudi Arabia.

We're [Iran] not dismantling anything. We are uninstalling some centrifuges and reconstructing the Arak reactor, modernizing it. . . . The remaining activities that we need undertake will not take more than several days, less than two weeks.

Understanding that these statements do not represent reality, we should not be threatened by the language that he has used.