Today on The Gist, Jeff Ross' harsh comedic roasts have finally landed him in prison. We'll speak to the roastmaster general about his new special Jeff Ross Roasts Criminals: Live At Brazos County Jail. Then, Mike asks Maria Konnikova of the New Yorker to poke and prod research into the benefits of acupuncture. For the Spiel, Mike dives into a 1984 lecture at Harvard by John Rawls. Join Slate Plus! Members get bonus segments, exclusive member-only podcasts, and more. Sign up for a free trial today at slate.com/gistplus.

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