Detailed text transcripts for TV channel - CNN - 20180828:09:09:00
Breaking news. a letter from a top north korean official is apparently what led the president to cancel secretary of state mike pompeo's latest trip to north korea. our colleague josh rogin reported it that pompeo received the letter from kim yong-chol, a top aide to kim jong-un. cnn has confirmed the letter sent to pompeo that warned the denuclearization process was at stake and may fall apart. cnn's will ripley live in hong kong. will, what is the latest? >> reporter: laura, essentially this is the biggest warning sign yet that this new diplomatic relationship with the united states and nort...