Hi, it's Lacey Healy.

When members of Congress and even the vice president are sworn into office, they say an oath,

to protect the country from all enemies, foreign and domestic.

But what does a domestic enemy look like?

January 6, it was coming from the top.

Some of them are bad people, but most of them are just normal people.

Because if we weren't all stressed out enough.

This season on Things That Go Boom, we're turning our eyes on the U.S., how violence starts, how it stops, and how we stop it before it starts.

A new season of Things That Go Boom is available now wherever you get your podcasts.

Once a year since 1947, the Bulletin of the Atomic Scientists publishes an update to its

doomsday clock. For 2025, the second hand of that clock was pushed forward by one second,

which leaves 89 seconds until the metaphorical midnight of global catastrophe. It is a big deal.

We'll be talking about the threats that put us there,

and they are definitely worth worrying about. But before you mute your device and go looking for

cat videos, hang with us. Because as terrifying as the term is, there is something counterintuitively

hopeful about the doomsday clock. From KERA in Dallas, this is think. I'm Chris Boyd.

There would be no reason to keep track of how close we creep toward destruction unless there was

some possibility, some belief that we could move that clock back farther from midnight.

It has happened multiple times in the past, and it is still not impossible.

Daniel Holtz is here to talk about this.

He is professor at the University of Chicago in the Department of Physics, Astronomy,

and Astrophysics, the Enrico Fermi Institute and the Kavli Institute for Cosmological Physics,

...