but chris cristie was with him as he left trump tower earlier today. they believe this is a way for chris cristie to not only be there to help donald trump understand what he's learning, for the two to bounce these issues off each other, but for christy, who is the head of the transition team to prepare in case donald trump does win the presidency. donald trump will be going up against hillary clinton in these debates. she obviously has a much longer experience record in foreign policy than he does. so this is supposed to sort of help inform his thinking of the different challenges around the word, but obviously the challenge for trump is to make sure you don't leak that classified info when you go on the debate stage. >> the tradition is the cia offer the exactly the same intelligence briefings to both candidates, hillary clinton and donald trump. i also understand michael flynn, a former head of the intelligence agency accompanied donald trump and chris cristie earlier this morning. thanks for that, sara. >>> our other big story, the threat from herm