They're the most dangerous weapons on Earth. And with tensions rising, one push of a button could change the world. Hans Kristensen, the Director of The Nuclear Information Project, joins us. We talk nuclear stockpiles, what could send missiles flying and accidents that almost led to annihilation. Then, John Shull learns about what ghosts eat. And we discuss the Top 5 Halloween Movies of All Time.Hans Kristensen: Learn more about your ad choices. Visit megaphone.fm/adchoices