, former us ambassador _ zelensky. john herbst, former us ambassador to _ zelensky. john herbst, former us on bbc news. you forjoining us on bbc news. thank you. microsoft has invented a new state of matter as part more powerful computers that will solve our senior technology reporter chris vallance explains. microsoft will help new company microchip will put them backin company microchip will put them back in contention in the multi—billion dollar race to build a quantum computer of putting the knack of capable of putting the knack of solving important real—world programme director problems. wanting computing is based on l's-st" "ms-st" is he'e“ "as ~ ~ ~ ,,, ~ a principle of 7 "a""�*: "mast": is ea'e�*! "s " ~ " w " . principle of particle the principle of particle physics and working a fundamental different way to the computers your phone, it 7 it is 7 it is hoped7they will laptop. it is hoped they will be able to solve problems, computers as they are 77557156777 7 77 ”assist? 7 7 77simply7can�*t.7and777 7 7 77sih71ply7ca7rft.7/7\n7d77lea7d7 777d7eve7l7op7me7nt7s71't.7and7 as 7 777d7

ambassador to ukraine, john herbst. ambassador, it's good to see you again. i want to play for you two things that we heard from president trump just yesterday. listen to this, please. >> do you. >> view ukraine as an equal member of this peace process? >> um, it's an interesting question. i think they have to make peace. their people are being killed, and i think they have to make peace. >> we will. >> i said that was not a good war to go into. and i think they have to make peace. that's what i think. >> would you. >> support zelenskyy. ceding territory. >> or exchanging. >> territory in any. >> agreement to. >> end the war? >> well, he's going to have to do what he has to do. but, you know, his poll numbers aren't particularly great, to put it mildly ambassador, how do you interpret now how president trump is setting up the negotiations to end this war um, i think that the best way to negotiate in this situation where ukraine has expressed a readiness to compromise about the elements of trump's approach and russia has not demonstrated any interest in compro

ukraine. john herbst, good to talk t0- my — ukraine. john herbst, good to talk to. in ukraine has dragged on for three years — with devastating consequences for ukraine and heavy losses, too, for moscow. our russia editor steve rosenberg has travelled to the city of tver, 100 miles from moscow, to find out how the war has changed russia, and whether russians believe that the us president donald trump will help end the fighting. do russians sense something is changing? "it gives us hope." "trump is a dark horse, i'm not sure what to expect," anna tells me. suddenly, the police turn up. they want to know what we're doing here. they ask for statements, and they check the car. just now from someone saying there are suspicious people going around town with a camera, meaning us. they've asked me to write a written explanation it gives you an idea of the atmosphere right now. russian state tv�*s here now. "what's going on? " he assures me, "we have freedom of speech in our country." "no—one gets in your way." "and the police by our car." many here are hoping that, if the w