The weekend. Social Security. Health insurance. What do these things have in common? They all exist thanks to the advocacy of labor unions. In this episode of TED Talks Daily, another podcast from the TED Audio Collective, political economist Margaret Levi explains how these organizations forge equality and protect worker rights, calling for a 21st-century revival of the labor movement in order to build a more equitable future. If you'd like to hear more from Margaret, check out her How to Be a Better Human episode by searching for it in this feed, or clicking HERE.We'll be back with more How to Be a Better Human episodes next week!