muelleret al, let's remember he was present at the trump tower meeting with the visiting russians. having done business in that part of the world for years and worked for a number of powerful russians himself. he's been in business with roger stone, a key figure in all of this who has not been called in yet. tonight nbc news is reporting manafort has already home run initial conversations with the mueller team. it's a lot to talk about at the end of a long week. let's bring in our leadoff panel. michael schmidt this washington correspondent, yosh ger steen, senior white house reporter for politico, barbara mcquade, former u.s. attorney for the eastern district of michigan and jeremy bash, former chief of staff at cia and pentagon and former chief counsel for the house intel committee. josh, you were in court for the entire first manafort trial. you were in the courthouse for what happened today. put this in perspective. how big of a development is this? >> it is a pretty significant development.