let s bring in our pentagon correspondent barbara starr. barbara, what will they be looking for at these bases? well, wolf, i think it s exactly what everyone would expect and hope the defense department would do. they are going to look at physical access, physical security measures. first up, they want to look and make sure everyone s doing their job appropriately at the check points, at the gates, at various places on installations where there are security personnel. is everything being done correctly? second, are the requirements right? is everything being done that should be done? are there new requirements, new technologies, new procedures that should be put into place? tough question, wolf. these installations often house thousands of people that come and go every day to work that is not practical, well understood for them to stop and search every vehicle. so there is by every measure a huge amount of trust put into