let's bring in doctor liam fox, who certainly knows very well by negotiating in that region of the worldo dr., fox thank you for joining us on the program this morning. obviously, you can appreciate why the foreign secretary and the prime minister about being very cautious. is there anything that we can pick from what they're saying, do you think? >> well, in terms of the negotiations with iran, i've never been in favor of the -- to ask on that. but clearly it's very complex situation, and there been understandably very cautious about what they say. >> yeah, the prime minister is presently in the region, as i said, to try and to negotiate a deal with the saudis in regards to oil. how tricky is that to do? >> well, it's essentially that the prime minister makes this visit because energy security and economic security, and national security have to become increasingly interlinked in recent years. and it's essential that we understand our energy bounce -- although we've become much better at producing green electricity, it still only makes up 19% of our electricity consumption, and 44% is a