The question is always how you get the number of troops needed. They do not have to be coalition forces. We also have to expand the training program for the Afghan National Army and the national police, in particular. and Defense Secretary Robert Gates has already announced support for a significant increase in the Afghan army.

The job of the leader is to get the big ideas right.

Iran, as we have already discussed, has carried out very, very harmful activities inside Iraq. Funding, trainings, arming and, in some cases, even directing the activities of the special groups associated with the Jaish al-Mahdi and the Sadr Militia.

There is no military solution to the challenges of Syria.

I will not ever run for political office, I can assure you of that.

Items of interest will be located, identified, monitored, and remotely controlled through technologies such as radio-frequency identification, sensor networks, tiny embedded servers, and energy harvesters - all connected to the next-generation internet using abundant, low-cost, and high-power computing.

Fighting in cities is a totally different endeavor than obviously fighting out in the open.