Hi, I'm Ravi Agrawal Foreign Policy's Editor-in-Chief.

This is FP Live.

So is the age of nuclear non-proliferation over?

There are certainly worrying signs.

New start, the main nuclear treaty between the United

States and Russia recently expired. China is rapidly expanding its nuclear arsenal. One increasingly

here is the possibility of South Korea or Japan going nuclear. And Saudi Arabia recently

struck a defense pact with Pakistan that included Islamabad's nuclear umbrella.

My guest today has spent his career in non-proliferation, often at great personal cost.

Rafael Grosey is the head of the IAEA, or the International Atomic Energy Agency, the UN's nuclear

watchdog.

In that role, he's been at the forefront of monitoring the safety of Ukraine's nuclear

power plants, even under Russian fire.

And until recently, he was keeping an eye on Iran's nuclear program.

Talks are currently underway for the IAEA to resume access to Iran's nuclear facilities,

but as of this taping, they seem to be at an impasse.

So I sat down with Grosie at a studio in Munich on the sidelines of the Munich Security Conference last weekend. Grossi is also

one of the frontrunners to be the next Secretary General of the United Nations, so we saved

a bit of time at the end to discuss reforming the international body. Here's our conversation.

Rafael Grocey, welcome to FP Live. Thank you very much. Pleasure.

So I want to start with New Start, the treaty that expired earlier this month.

This is a treaty that was the biggest non-proliferation treaty between the United States and Russia,

...