the relationship between a prime minister and an american president central to any government. partnerships that can disappoint or delight, but always defines. laura kuenssberg, bbc news, washington, dc. i m joined now by dmitry grozoubinski, former australian diplomat and trade negotiator at the world trade organization and founder of explaintrade. because of the sea specialising in trade policy. thank you so much for joining us. our correspondent called it the disappearing deal. what then are the chances for any kind of us uk trade deal? i are the chances for any kind of us- uk trade deal? uk trade deal? i think if this deal disappeared. uk trade deal? i think if this deal disappeared. is uk trade deal? i think if this deal disappeared, is because - uk trade deal? i think if this deal disappeared, is because it - uk trade deal? i think if this deal disappeared, is because it was i disappeared, is because it was a mirage to begin with. this deal would be very difficult to do und