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

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.

I think no commander ever is going to come out and say, 'I'm confident that we can do this.

Over the last few years they have done a superb job in their fight against al-Qaida. As you may recall, our embassy in Jedda (in Saudi Arabia) was overrun some four years ago and a number of foreign workers went home because of violence against them.

I did a week-long assessment in 2005 at (then Defense Secretary Donald) Rumsfeld's request. Following our return, I told him that Afghanistan was going to be the longest campaign of what we then termed "the long war."

US forces have been increased [in Afghanistan ] from some 21,000 to about 31,000 over the past two years and a number of coalition countries have also increased their forces, there still are not sufficient troops.

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