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

If you look at casualties, you find countries that had much higher loss rates per capita than the US. Denmark comes to mind, the United Kingdom, they have suffered heavy losses at various points, the Germans as well.

Political progress will only take place if sufficient security exists.

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.

Progress in Iraq has always been about teams of people and teams of teams - and ultimately about young men and women, Iraqi as well as people from the coalition.

The Islamic State fighters in Mosul are dead men walking and I think they increasingly know it.

There is no military solution to the challenges of Syria.