http://knowledge.wharton.upenn.edu/audio/KW_Roberts_20090420.mp3 David Roberts, of Private Equity Firm Angelo, Gordon, on Adapting to Market Transformation http://feedproxy.google.com/~r/KnowledgewhartonInterviews/~3/883Sd5pN9So/KW_Roberts_20090420.mp3 2009-04-20 http://www.wharton.upenn.edu/globals/images/katw_white_itunes.gif