How does a government decide who can know what? In the modern day, it comes down to something called security clearances. In today's episode the guys explore how the US decides who's trustworthy enough to get the scoop on stuff the public can't know -- and what happens when things go wrong. They don’t want you to read our book . They don't want you to read our book.: https://static.macmillan.com/static/fib/stuff-you-should-read/ See omnystudio.com/listener for privacy information.