Iranian security official Ali Larijani is in Oman, the country currently mediating talks between Tehran and Washington over Iran's nuclear program ...

Trump: I think the Iran talks will be successful. If unsuccessful, it'll be a bad day for Iran. TRUMP: SECOND CARRIER JUST ARRIVED IN PERSIAN GULF TRUMP: WE'LL NEED AIRCRAFT CARRIER IF NO DEAL WITH IR ...

It is unclear what the Trump administration is prepared to do if it does not get the concessions it wants from Kyiv on issues like territory and elections.