the development of the software, although you can get it fundamentally sound, it tends to have bugs that you need to work your way through so that s been the challenge. to say the least, a lot of money, $672 million and no one anticipated the problem that homeland security chief janet napolitano describes as unacceptable. i think that that s a fair assessment. we did not anticipate it because we felt that these cameras and radars were available. in hindsight we probably should have known better, so i would agree with that. sometimes when you re eager to do something that you think is an urgent priority, you re willing to take a little bit of a chance that these things that you buy will work. but i think we have learned that even if you think a problem is easy, you need to manage it as if it s difficult. and that s what we re doing now. so you re trying to correct a mistake, but meantime, you ve got people wondering how vulnerable we are. not just the issue of immigration which is