"Global energy security is a vital part of America's national security." — Joe Biden

I know why we're strong. I know why we have held together; I know why we are united: it's because there's always been a growing middle class.

The United States supports a strong, united Ukraine with productive and peaceful relationships with both the East and the West, with both Russia and Europe.

Corruption is just another form of tyranny.

In the 21st century, the countries that thrive will be the ones where citizens know their voices will be heard because the institutions are transparent.