Every community has certain threads of conversation.  TNL is no different.  For the past several months we have been paying special attention to the questions that are being asked inside of our community.  This series is designed to address the three most significant themes of conversation that we have been having as a community through individual talks.  Then on the fourth night we will have an open forum for questions. Our hope is not that we answer each of these questions once and for all, but that we push all of our conversations a little bit further.