If you don't want to have to kill or capture every bad guy in the country, you have to reintegrate those who are willing to be reconciled and become part of the solution instead of a continued part of the problem. And then, above all, the resources.

President Obama has said that our aspirations should be realistic. We are not going to turn one of the poorest countries in the world, that was plunged into 30 years of war, into an advanced, industrialized, Western-style democracy. What we want to achieve is Afghanistan's capacity to secure and govern itself.

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.

Syria has allowed its soil to be transited by foreign fighters who have come from a variety of source countries in the Gulf area and in the - in North African countries.There are some signs that that may have been reduced somewhat in the last couple of months. We need to watch that a bit and see if that is the case.

I think Putin wants to recreate as much of the Soviet Union as he can through a variety of different means. He's invaded parts of Georgia, took Crimea, southeastern Ukraine, bases in other countries.