Jim Lebenthal: Infrastructure the 'Button You Push to Sell Tax-Exemption' to Public March 11, 2013 10:50 AM 2:21 Facebook Twitter LinkedIn Email Legendary muni bond salesman Jim "Built By Bonds" Lebenthal chats with The Bond Buyer's Taylor Riggs at the recent National Municipal Bond Summit about infrastructure's role in gaining public support for retaining muni tax-exemption.