Come to think of it, a giant balloon seems like a pretty conspicuous way to spy on another country. So what was that Chinese spy balloon doing above the U.S.—and what have American planes been shooting down since? Guest: Shane Harris, Washington Post reporter covering intelligence and national security.  Host: Lizzie O’Leary If you enjoy this show, please consider signing up for Slate Plus. Slate Plus members get benefits like zero ads on any Slate podcast, bonus episodes of shows like Slow Burn and Dear Prudence—and you’ll be supporting the work we do here on What Next TBD. Sign up now at slate.com/whatnextplus to help support our work. Learn more about your ad choices. Visit megaphone.fm/adchoices