white house. bill, it' still the early hours. a lot to be worked out. on the surface at least, looks promises. >> bill: after watching it, john, anything is possible. quite literally. thank you. travel well. >> exactly. >> bill: thank you, john roberts, live in singapore. >> sandra: the landmark agrent on north korea's denuclearization seems to fit into the trump doctrine and what the president sees as his strong suit. negotiating, which includes knowing how much pressure should be applied to get a deal done. >> what trump figured out is that the north koreans have been good at lying for a long time. they never suffered any consequences. so he wanted -- i think he felt he was in a position where he had to apply so mh p herbal pressure and practical pressure that kim jong-un would reach a conclusion that for his regime to survive, something had to change.