September 21, 2012 Forbes Roundtable: Why Give Melinda and I sat down with Warren Buffett, Steve Case, David Rubenstein, Leon Black, and moderator Randall Lane at the Forbes 400 Summit on philanthropy to talk about the benefits and challenges of giving back. This article appears in the October 8, 2012 issue of Forbes. Tags: personal Discussion Please enable JavaScript to view the comments powered by Disqus. comments powered by Disqus