we're joined now by michael hopkins, a lecturer in american foreign policy at the university of liverpoolt a big deal this is. only the third us president to be invited on a state visit like this. yes, but if you look at when a previous president was invited, it has now become the norm. the previous two were barack 0bama and george w bush. it is a sequence, so i think it will probably be a commonplace invitation. what do we expect from the trip? it is partly diplomatic, partly trade, and partly social, isn't it? i think diplomatic, partly trade, and partly social, isn't it? ithink the diplomatic, partly trade, and partly social, isn't it? i think the timing is probably related to the 75th anniversary of d—day. 0n the third of his three days he is going to celebrate that, then the following day he is going to france for the sixth ofjune. the exact timing was the 75th anniversary of the d—day landings, i also suspect it was probably designed by the british government to be after brexit, after the 29th of march, and perhaps then they would start doing some problem—solving. they would start d