dr. robb and sanders. thanks for being with us this morning. >> thank you for having me this morning. >> now, you were the national security council africa director at the whitehouse when the embassy in kenyan was bombed back in 1998. and president obama, in fact, kenya considers president obama to be its native son so in this instance, is it different, and how should the white house react? >> no. it's not different. i mean it's a horrific event, and my heart goes out to all of the victims and their families. and i think that we need to continue to focus on the stattegic issues of how do we contain groups like al shabaab. >> american officials have been warning nairobi malls were vulnerable to attacks. did kenya not heed the warnings from the u.s.? >> i am sure that kenya did. i think that everybody in this day and age, the whole global landscape has changed so drastically that i think that everyone pays particular attention to security risks, but we just had a horrific event here in washington, d.c. last