republican colleagues like to see, a change in the irish courts and the end result having a closed border again. for number 10, though, the white house visit was third day lucky on this trip, describing the atmosphere of the talks as very positive, saying the relationship between the new neighbours at the white house and the uk is making great strides forward. finally, after two years, borisjohnson has had his moment in the white house as the uk prime minister. on this muggy washington evening, the atmosphere inside the oval office was warm. the two men agree on many things, particularly their commitment to tackling climate change. but there is a sense, still, this is a relationship in its early days, not yet an established friendship. the prime minister still has one day on this side of the atlantic. the situation he'll face at home could give him more cause for concern. laura kuenssberg, bbc news, at the white house.