The podcast hosted by Michael Samuels of Broome Street Capital, According to Sources discusses merger-arb strategies and talks M&A, all with a focus on the news-sources that cover them. Interview with Whitney Tilson II: A Discussion of the Successes and Struggles of Bill Ackman & David Einhorn. This episode of According to Sources continues the interview with Whitney Tilson. In this segment, host Michael Samuels and Tilson discuss two legendary hedge fund managers - David Einhorn and Bill Ackman - and Whitney describes who he believes is the best hedge fund that no one's ever heard of.