Biden says climate change is biggest threat to national security at campaign rally

The former vice president stumped for Sen. Bill Nelson in Florida on Tuesday.
1:08 | 10/23/18

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Transcript for Biden says climate change is biggest threat to national security at campaign rally
Juarez is the motor city. The scene is right. Yeah normal through want to tax more that is a you don't go through this any. Who over the hanging of the president didn't say. Do you really. Crazy. You know the Washington DC Ron. We and what they call it. Over the defensive war within your Jesus. You know the homeless. Explosive greatest threat for our security it was global warming. Global warming in his life. Did the hands of people who again Margaret. Hydrated they go to horror drama I'm saying he's. The same period look. And sound on occasion and this is this is serious stuff.

This transcript has been automatically generated and may not be 100% accurate.

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