Felix Salmon of Fusion, emerging-markets expert Anna Szymanski, and Slate Moneybox columnist Jordan Weissmann discuss: -       Matthew Desmond’s piece on the mortgage interest deduction in the New York Times Magazine.-       The low level of the Volatility Index-       Snap’s first earnings report after going publicCheck out other Panoply podcasts atpanoply.fm. Email: slatemoney@slate.comTwitter:@felixsalmon,@Three_Guineas, @JHWeissmann Production by Daniel Schroeder. --Felix Salmon is a senior editor at Fusion.--Anna Szymanski is an emerging markets expert and senior strategy officer at a political risk startup.--Jordan Weissmann is Slate’s senior business and economics correspondent.Learn more about your ad choices. Visit megaphone.fm/adchoices