It seems ever less likely the US will participate in the NATO summit in The Hague. Too bad for Mark, though people living and working there will probably not mind.
I think he is susceptible to all things pompous, so he might be interested. I think he knows the Netherlands have a royal house, i can remember Rutte being over at the white house in his first term and he thought the name " the kingdom of the Netherlands" was really great. But who knows!