On The Gist, we explore an abuse of power taking place on social media. Journalist Jon Ronson shares whyhe was compelled to tell the stories behind the public shaming of Jonah Lehrer and Justine Sacco. He’s the author of So You’ve Been Publicly Shamed, now out in paperback. For the Spiel, meet Wisconsin’s Jimmy Boy.   Today’s sponsor: Squarespace.com. Get a free trial and 10 percent off your first purchase when you visit Squarespace.com and enter offer code GIST.  Join Slate Plus! Members get bonus segments, exclusive member-only podcasts, and more. Sign up for a free trialtoday at slate.com/gistplusLearn more about your ad choices. Visit podcastchoices.com/adchoices