I think something that's really understudied and misunderstood is the use of information.

In retrospect, all revolutions seem inevitable. Beforehand, all revolutions seem impossible.

We can deal with Russia on counterterrorism. We have and I think we are right now. That's easy.

I think something that's really understudied and misunderstood is the use of information.

I want to be clear that when you mention the Republican critique of President Obama, that is not President-elect Trump's critique, right? So you have a real clash within the Republican Party, and I think within the Trump administration, about how to develop policy toward Russia.

In the short run, the big windfall winners ... have been the Islamists.

Take cyber-capabilities. We have way more cyber-capability than Russia do. We could intervene in their elections easily. We choose not to do so because we're a different country. That's what Obama was trying to say.