responsibility for dealing with ukraine, which is not part of the european union and what his testimony and some of the others that congress has been hearing from over the past few days has shown is how these officials who shouldn t really have any role in overseeing and driving policy on ukraine, separate from the national security council, had been doing that with giuliani as the president tried to pursue these political ends. mika o yang, you ve been in these rooms during testimony like this. can you pull back the testimony and see what exactly the democrats are doing and what case are they trying to build? what you re seeing, we ve known the general outlines of this investigation from the beginning, from the first revelations of the whistle-blower complaint, that the president was asking for something of value from the ukrainians and withholding military aid from them. what we re seeing now is the context and how that actually happened. which players were involved? sondland, vo