in a moment we will hear from the israeli ambassador mark regev and the palestinian academic ghada karmi not expecting to resolve the regions issues here in the newsnight studio, so they'll not be debating head to head. but first, our diplomatic editor, mark urban, is here. what surprised you most about donald trump's announcement? i think that given there was that nod towards the two state solution and the statement from the president that it was not intended to prejudice issues, it could go he could have acknowledged the idea to have the capital in east jerusalem. it could have been something he did. it's been many years since the diplomatic game was about an international solution forjerusalem, a zone to be ruled by the international community. for decades it's been about the two state solution and everyone who has worked on that problem, every diplomat i have spoken to for 30 years on this knows that the palestinian state without its capital in eastjerusalem is not a viable solution to the conflict. and what do you make of those internationally showing support for the move? there hav