inside it, a letter sealed from vladimir putin. what does the letter say? we don't know. and i find it very, you know, interesting or curious that donald trump who has bragged many times that he knows putin, that he's been on "60 minutes" with putin, that he's a buddy of putin's, has never once mentioned this letter publicly. if i was robert mueller, i'd be interested in that letter, too, as well as examining this really strong, tight connection between donald trump and the agalarovs. >> it's not like there's a green room at "60 minutes" where people who happen to be on the episode of "60 minutes" hang out, it's always fascinating to me he used that as an example. it's a fascinating read. i appreciate you being on. michael isikoff, david corn, congratulations on the book. new reporting that president has not decided to -- i should underscore the word, decided, to