Today on the show, a look at a Tea Party resurgence in Mississippi’s GOP Senate primary with Slate’s David Weigel. Then, in our regular segment “Is This BS?,” Maria Konnikova explains why psychologist Walter Mischel’s famous marshmallow study has come to loom so large in child-rearing theories, and what its limitations might be. In the Spiel, Mike asks you to guess which words are used more by Democrats, and which by Republicans. Get The Gist by email as soon as it’s available: slate.com/GistEmail Subscribe to the podcast in iTunes: itunes.apple.com/us/podcast/slate…id873667927?mt=2