NATO as a political alliance does need to be relooked at in terms of everything - resourcing, capabilities.

When you look back, history is not going to be kind to these last 16 years from 2000 to 2016.

We have a problem with radical Islamism and I actually think that we could work together with Russia against this enemy. They have a worse problem than America does.

One thing I agree with Donald Trump on is, there's something going on in the Muslim world.

I'm standing up for the U.S. But it's hard when Russians don't have any respect for the current leadership.

Remember the box fight: You start as a southpaw, you go back to fighting as a right-handed fighter.

What do you do when you get out of the military, you stop serving? There are 26 presidents who served in the military. More than half of our presidents... that means that you stop being an American?