The U.S. Navy is sending warships to the Caribbean.

Not everyone is convinced they're doing it to stop drug smugglers.

It's a massive buildup many, many times more extravagant than we would ever need for a counter-narcotics operation.

I'm Marco Werman.

And I'm Carolyn Beeler.

Today, what's going on between the U.S. and Venezuela?

Also, the UN Climate Summit underway in Brazil builds on a 10-year-old agreement.

The motivation for it was clear.

Working on climate means improving the quality of life of all of us.

We'll get a status update. And hear about a

disturbing trend in Sweden. When it comes to gang-related violence crimes, it's almost always kids.

Plus dancing nonstop for six days for global glory. All that and more today, here on the world.

This is the world. I'm Carolyn Beeler.

And I'm Marco Wurman. Glad you could make it today.

Venezuela says it's moving quickly to mobilize its military, calling up land, air, naval, and reserve forces.

That's in response to the Pentagon's biggest naval

buildup in the Caribbean since the Cuban Missile Crisis in 1962. Washington says it's bolstering forces

in the region to combat drug trafficking. But there is growing concern that the real goal is to

topple the government of Venezuelan leader Nicolas Maduro. It's not just the Venezuelan government

and its allies that are concerned, so are critics of the U.S. policy. We turned to former CIA

analyst Fulton Armstrong for Insight. He's at American University's Center for Latin American and

Latino Studies in Washington, D.C. It's a massive buildup many, many times more extravagant than we would ever need for a

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