we've got this breaking news. particularly t lly tumultuous tr this white house. dealing with not just the sentencing documents but now this information into us that president trump says chief of staff john kelly will leave at the end of the year. cnn's boris sanchez is at the white house for us. these comments coming before the president is to board air force one there. >> that's right, on his way to andrews, headed to philadelphia to the army/navy game. the president began his comments talking about heading to that game. he's going to flip the coin there. he also talked about his new pick to lead the joint chiefs of staff which he announced this morning on twitter. then he answered some questions from the press about the russia investigation. was asked if he directed cohelp to make payments to daniels and mcdougal. in the special filing, it