did nothing wrong. and also they have spoke to the president of ukraine. and trump's personal attorney, rudy jougiuliani says he will n testify without first consulting the president. sarah, there is a lot there, what can you tell us about the special envoy to you crane who has now abruptly resigned? >> they say that the special envoy resigned last night and he is really a key figure in this situation. he was mentioned several times as someone that facilitated a meeting between rudy giuliani and a top add to the ukrainian president. it happened about a week after the president had that now infamous phone call with him in