This week on the Nerdcast with guest-host Blake Hounshell: Over his decades in office, \u2018Middle-Class Joe\u2019s\u2019 family fortunes have closely tracked his political career. We have POLITICO's Ben Schreckinger on to discuss his investigation on former Vice President Joe Biden's family finances. \n\nLearn more about your ad choices. Visit megaphone.fm/adchoices