The world is a very dangerous place. But the world is not too dangerous of a place for the United States of America provided we act according to our principles, provided we act intelligently.

Donald Trump is a racist. Donald Trump in fact is making fascist appeals. That's why many self-respecting Republicans are not supporting Donald Trump for president.

To those who say climate change is not caused by human activity or that addressing it will harm the economy, let's encourage them to go to college, too, and to study physics and to study economics, but for the rest of us, let's get to work.

Let's not fall into the trap of thinking that all of our Muslim American neighbors in this country are somehow our enemies here. They are our first line of defense.

A stronger middle class is not the consequence of economic growth. A stronger middle class is the cause of economic growth.

Triangulation is not a strategy that will move America forward.

As Americans, we have shown ourselves to have the greatest military on the face of the planet, but we are not so very good at anticipating threats and appreciating just how difficult it is to build up stable democracies, to make the investments and sustainable development that we must as a nation if we are to attack the root causes of these sorts of instability.