Detailed text transcripts for TV channel - CNN - 20190517:21:01:00
Tirade of tweets on the russia investigation, iran, and immigration. is he using twitter to validate his viewpoints and make policy decisions? i'm wolf blitzer. you're in "the situation room." breaking news, treasury secretary steve mnuchin defies subpoena requests from a powerful house democrat, refusing to turn over six years of president trump's tax returns. the issue is now certain to move to the courts. also tonight, president trump seizes on new documents from the russia investigation, showing how one-time national security adviser michael flynn told the special counsel that people tid...