Audio podcast of Professor Richard Lester, Head of the Department of Nuclear Science and Engineering at MIT speaking on nuclear leadership challenges after Fukushima at the Symposium on Nuclear Energy in 2050. The Symposium, hosted by the Center for Advanced Nuclear Energy Systems at NSE was held on March 30 and 31, 2011 the celebrate the 10th Anniversary of the Center. Agenda for the symposium available here: http://web.mit.edu/nse/events/canes_10th.html