central command. the command that's responsible for this area, the greater middle east. i obviously told those who were above me that i was going in for surgery and so forth. we had all the communication set up at a time when i was under, if you will, my deputy was in charge. depending on how well that recovery goes, i don't see any issue that keeps him from, again, doing his responsibilities just as if he were on the road where you set up all these kinds of communication measures and secure the intelligence facilities as well. we definitely have the technology to do that and to enable him to carry out his duties. >> i know that we share the sentiment that we hope he makes a swift recovery as well. general david petraeus, author of "the conflict," thank you very much for joining us tonight. >> good to be with you, abby.