1 rich Libsyn https://www.libsyn.com 90 600 Bernard Madoff has said that the banks and hedge funds he used for his Ponzi scheme should have known what he was doing.&amp;nbsp; What ethical obligations, if any, did they have?&amp;nbsp; Dr. Bruce Weinstein answers questions about honorable behavior in his Bloomberg BusinessWeek Online series, ASK THE ETHICS GUY!&amp;nbsp; This is episode 3.&amp;nbsp; To submit a question to Dr. Weinstein, or to take his ethics quiz, visit TheEthicsGuy.com. The Ethics Guy http://theethicsguy.com <iframe title="Libsyn Player" style="border: none" src="//html5-player.libsyn.com/embed/episode/id/1569123/height/90/theme/custom/thumbnail/yes/direction/forward/render-playlist/no/custom-color/88AA3C/" height="90" width="600" scrolling="no" allowfullscreen webkitallowfullscreen mozallowfullscreen oallowfullscreen msallowfullscreen></iframe> https://assets.libsyn.com/secure/content/3183723