Stuart Livingstone-Wallace

They're going to swap drafts, see if they can come to, I suppose, a more formal working document.

Now, the real question here is,

what exactly are the red lines for both sides.

So the US has made it clear that it wants to talk about the nuclear file, which in itself is a pretty complex topic, but also wants to talk about missiles, wants to talk about the regional proxies that Iranian forces fund and provide with military supplies.

On the Iranian side, they said they really only want to talk about the nuclear file.

And within that, there are red lines around its right to enrich the Iranian mature.