these young men have been at war for 30 years in some cases or at least their country has. so it s all of those things which makes it complex. general dempsey told me that even with this rise in insider attacks there is no plan to change the withdrawal timetable which will have u.s. troops down to 68,000 at the end of september and out of afghanistan for the most part at the end of 2014. shepard? shepard: jennifer griffin live at bag gram air base in afghanistan. denied claims from wikileaks founder julian assange that he is the victim of an american-backed witch-hunt. that accusation comes in assange s first comment since june when he began hiding out in ecuador s embassy in london. is he trying to avoid extradition in sweden to avoid sex assault accusations. last week ecuador grantd him asylum. steps off embassyed to arrest