There is no difference in a country between military, economic, and political affairs. It's useful for Business Insider to divide things that way. That's useful for a college program. But a country is a country. How do you understand China's economy without China's army? If you take these all into account you're ready to explain a question like, "How come the US doesn't have a debt problem?"

There is a radical and unprecedented shift [in war] that is part of the general transformation of civilization. First, understand that the past 150 years of warfare are totally unprecedented in that we introduced a breathtakingly inefficient technology: guns. In the First World War, and this is not an exaggeration, it took 10,000 rounds of ammunition to kill one person. Any given shot had a one in 10,000 probability of ending someone's life.

The most horrible sort of war is civil war.

I think there are worse things than war. For example, injustice.

There has never been a century that has not had a systemic war - a systemic war, meaning when the entire system convulses. From the Seven Years' War in Europe to the Napoleonic Wars of the 19th century to the World Wars, every century has one.

Assad's mother was a terror. He was terrified of her and she kept saying to him, you're not like your father. That's interesting, but it's useless information. It doesn't tell me anything about how the first and second armored brigades are going to operate.

The kind of president we need has little to do with ideology and more to do with a willingness to wield power to moral ends.