force that i assembled to put pressure on ukraine as a hostage, they've finally agreed to take my concerns seriously, and they're going to sit down and sign agreements, treaties that will be submitted to the united states senate, that will be law that says they can't fly b-52 bombers closer than 12 mimes to our border or whatever. and of course we can say the same thing. we can benefit from these negotiations. so i think it will be a win-win for both sides. but he can clearly say that he succeeded in finally getting the americans to take his security concerns seriously. >> when you run the entire messaging system in russia and you control the message, you can declare victory even if you lose. ambassador taylor, always good to get your perspective and expertise. thank you, sir. >> thank you, chuck. good to be here. still to come, a new development in the investigation of the former president's financial records and business dealings as one major tax firm cuts ties with the trump organization. we'll tell you what that means next.