Hunger is far more of a national security priority than an expensive border wall.

Listening to Americans across the country, I heard a near unanimous sense that social media elevates the most extreme, angry voices and forces people to take sides.

This is the best shot Venezuela had at democracy for a generation—and the U.S. can't afford to sit this one out.

Trump's uncritical support for autocrats relies on the U.S. remaining the sole superpower in the region. But both their regime and America's global standing are more fragile than they appear.

Here Comes the Sun Will China be the superpower in a world transformed by renewable energy?

A recently arrived alien intelligence is all around us, but don't run for the hills just yet—for all its smarts, it's actually pretty dumb.

Trump will be far tougher to beat in 2020 than in 2016.

I had a chance to witness the human stories behind this crisis first-hand. The U.S., governments across South America and international donors must step up to help.

President Lincoln was a very different man facing a radically more dangerous situation than President Trump. Yet each president represents a direct threat to a national establishment by an outsider.

Scooters make cities greener, communities more mobile, and America more equitable. So why are they being killed off?

Faith is being excised from the narratives of the civil rights era—both for MLK and for Malcolm X.

There are simple, straightforward steps you can take to protect yourself and those around you.