have been putting together lists of high profile people they'd like to target for assassination and a lot of counterterrorism people have said that's because they can no longer pull off the kind of spectacular attack like september 11th so they're looking for targeted assassination. i didn't realize that david letterman might be on the list. is this something that counterterrorism experts are looking at more closely? >> as the president, i think, correctly stated in his interviews and series of interviews earlier this week, the big show, the 9/11 conspiracy where you have multiple players and really need massive funding and a great plan, they do not believe that al-qaida has the -- the wherewithall to pull that off. but what they do have is the ability to incite major hasan at fort hood or the times square bomber. there is an ability to really incite violence in someone who is so inclined and with -- if you were on those jihadist web