carl pope, thank you. nicegro have you here. popet. nice to be with you.u: and that will do it for us. a ays, you can find more of our coverage on kqed.org/newsroom. i'm thuy vu. thank you r joining us. ♪ ♪ ♪ ♪ ♪ robert: is the meeting off or on? i'm robert costa. inside the brinksmanship between ea.sident trump and north k plus, the latest on the russia probe, tonight on "washington week." president trump: i believe this is a tremendous setback for north korea and indeed a setback for the world. robert: president trump calls off a m face-to-faceting with kim jong un. but both sides say they are ready for diplomacy. president trump:nd when kim jong un chooses to engage in constructive dialogue and actions, i am waiting. robert: north korea responds and say they will talk at any time. they callr. trump's decision to back out of the june 12 summit extremely regrettable and insist they areo ready talk

carl pope, thank you. nice to have you here. pope: great. nice to be with you.u: and that will do it for us. as always, you can find more of our coverage on kqed.org/newsroom. i'm thuy vu. thank you for joining us. ♪ ♪ ♪ ♪ ♪ captioning sponsored by wnet >> sreenivasan: on this edition for sunday, may 27: the summit isn't confirmed, but u.s. and north korean officials are planning ahead. in our signature segment, can technology and training help reduce law enforcement's use of deadly force? and, why maps throughout history were drawn incorrectly, sometimes on purpose. next on pbs newshour weekend. >> "pbs newshour weekend" is made possible by: bernard and irene schwartz. the cheryl and philip milstein family. sue and edgar wachenheim, iii. dr. p. roy vagelos and diana t. vagelos. the j.p.b. foundation. the anderson family fund. rosalind p. walter barbara hope zuc