♪ >> joining us, the president and first lady at westminster abbey. an official visit. they just laid a wreath at the grave of the unknown warrior. remembering all who died in the first world war. we have dominic thomas with us in addition to christiane amanpour. we mentioned a couple times on this broadcast how trump is only the third u.s. president to receive the honor of a state visit to the uk. of course, there have been a lot of u.s. presidents with very close relationships with the uk going back decades. why? why is he only the third to receive this honor? >> well, that's an interesting question. i think at this particular moment in history, as soon as prime minister may took over from david cameron in the aftermath of the 2016 brexit referendum, she realized that