Today on The Gist, Marc Caputo from Politico’s Florida Playbook discusses Jeb Bush, who might be challenging the belief that candidates have to swing to the right to appeal to primary votecrs. Then, author Laura Silver traces her family history through the so-called Knish corridor of Eastern Europe. She’s the author of Knish: In Search of the Jewish Soul Food. For the Spiel, why the name Gary will soon be extinct. Today’s sponsor: Stamps.com. Sign up for a no-risk trial and get a $110 bonus offer, when you visit Stamps.com and enter promo code TheGist. Join Slate Plus! Members get bonus segments, exclusive member-only podcasts, and more. Sign up for a free trial today at http://www.slate.com/gistplus.