like a caged animal by the taliban. joining me is chris. good to see you again. you've been personally involved in the debriefing of released hostages. how can the situations change or even break a person, especially after five years? >> well, that's it exactly. and i think that sergeant bergdahl was shattered by this. i mean, not just him but his family has been done quite a it about of psychological harm, also. it's hard to describe how horrific this was. >> what do you make of the report that he has not chosen yet to speak with his parents? is that unusual? >> no. i mean, the amount of stress and the changes coming back, it's been likened to have been all by yourself on a dirt road and suddenly being put in the middle of the worst traffic in new york city with everybody honking at you. the mental overload is very