This Halloween, what's really getting Americans' skin to crawl?

Clowns, climate change, and nuclear war are all drumming up fears in the hearts of Americans — but apparently not as much as the prospect of losing health insurance.

Halloween masks of Donald Trump. Photo by Ronaldo Schemidt/AFP/Getty Images.

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It's being reported that Stanislav Petrov passed away earlier this year. He was 77.

And even if you don't know who Petrov was, he might be the reason you're alive today.

Petrov in 2015. Photo from Pavel Golovkin/AP.

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Dozens of demonstrators gathered outside California's Lawrence Livermore National Laboratory on Aug. 9, 2017.

The facility is used for nuclear weapons research.

Photo by Justin Sullivan/Getty Images.

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