Trump says no Iran nuclear deal could mean bombing, and vows tariffs on Russian oil if Putin doesn’t end the war in Ukraine.
Moscow may think that it can link a Ukraine deal to a deal that will also help Iran.
The Trump administration believes direct talks would have a higher chance of success but does not rule out the format proposed by the Iranians.
We are nearing the endgame leading to an attack on Iran's nuclear program - or to serious new nuclear negotiations.
Tehran has so far rebuffed Trump's warning to make a deal or face military consequences.
The report comes amid contact between the Islamic Republic and the US over reported efforts to reach a nuclear deal.
Parliament Speaker Mohammad Qalibaf: "If the Americans attack the sanctity of Iran, the entire region will blow up like a spark in an ammunition dump."
Araghchi said that Iran was not opposed to talks out of "stubbornness" but rather as a result of history and experience.
Either Tehran will reach a deal with the US and the E-3 in the next two to three months, or it will face global sanctions and possibly an Israeli air force strike.
In a meeting with senior Iranian officials, Khamenei said the aim of Washington's offer for negotiations was to "impose their own expectations," Iranian state media reported.