the intelligence community briefed him on it weeks ago. at least before he went to some -- >> and some of these pictures apparently were taken before his summit. >> so he knew this before he went. i think that that's a pretty clear indication of how he went into hanoi. but his response was to express disappointment and to give kim jong-un a year-long hall pass. he said, well, we'll see in about a year. that means kim jong-un can keep nuclearizing and taking these kinds of steps for at least a year. he's giving kim jong-un the room to continue this malign behavior. what we need to do is consider a response. kim said that he would freeze these tests in exchange for us freezing military exercises, but if kim pushes the envelope on these tests, we should reconsider, perhaps, a calibrated military exercise. >> samantha vin grad, great to see you. >> thanks, ana. coming up, the inside story on america's most powerful political dynasty and how they put two u.s. presidents in the white house. a preview of tonight's brand-new episode of "the bush years"