This is GPS, the Global Public Square.

Welcome to all of you in the United States and around the world.

I'm Farid Zakaria, coming to you live from New York.

Today on GPS, the showdown in Venezuela.

President Maduro versus self-declared President Guaidou.

How will this all end?

The eyes of the entire world are upon you.

We will bring you the latest with Guaidou's representative to Washington, Carlos Vecchio.

Then the Trump Kim Summit, Russia's nuclear arsenal, and Donald Trump's border wall.

We'll talk about all that and more with an all-star foreign policy panel.

And what do the extinction of an Australian rat, a massive hole in an Antarctic glacier,

and America's recent polar vortex have in common?

They're all believed to be related to climate change.

My guess says it really is time to panic.

But first, here's my take.

It's refreshing to see the Democratic Party bubbling with new ideas.

But its new thinking seems starkly different from the party's reform efforts of the past three decades.

The wonky proposals of the Clinton Obama era were pragmatic and incremental.

And they mixed market incentives with government action.

Today we have big, dramatic, stirring ideas.

And that could be the problem.

In their zeal to match the sweeping rhetoric of right-wing populism,

...