By Mike Pesca – June 7, 2016
On The Gist, a postcard with Devin Leonard on the origins of the phrase “going postal” (3:39 to 12:05). Leonard’s new book is Neither Snow Nor Rain: A History of the United States Postal Service. Plus, Stephen Teret on smart guns. For the Spiel, Hillary Clinton’s cinch of a clinched nomination.

Source: Devin Leonard discusses U.S. Postal Service history and Stephen Teret talks about smart guns.