Our challenge is much more pervasive than it would be if we were just facing one enemy in one place. [Instead there is] the Middle East, Iraq, North Korea, Iran. There's a relatively long list that we believe are linked to the al Qaeda network in the Philippines, in Indonesia and in Yemen and other places. That makes it very clear that this is a global network.

I also believe that we have an extraordinary opportunity for the United States and European Union to lead the world in developing and implementing new and more efficient technologies - smart electrical grids and electrical vehicles.

Donald Trump insult women. We've seen him rate women on their appearance, ranking them from one to ten. We've seen him embarrass women on TV and on Twitter. We saw him after the first debate spend nearly a week denigrating a former Miss Universe in the harshest, most personal terms. So yes, this is who Donald Trump is.

I believe I am a work horse. I believe that that is what our country needs. We need a president who will roll up our sleeves collectively as a nation and tackle the problems that we confront.

It is hard sometimes to get the Congress to do what you want to do and you have to keep working at it.

We are at a stage in history in which remolding society is one of the great challenges facing all of us in the West.

The United States compared to a number of our competitors is the only government in the world with any kind of safeguards, any kind of checks and balances. They may in many respects need to be strengthened and people need to be reassured, and they need to have their protections embodied in law.