At the 2008 Dwell Conference in New York City Tim Keller spoke on the topic of persuasion in preaching. I appreciated how at the very beginning of the session Keller addressed some of the common objections to the use of persuasion in preaching the Gospel. Video of the session is embedded below.
http://theresurgence.com/sites/all/modules/video/resurgence_player.swf
You can also download the audio and notes at the Acts 29 website.
Ryan Wentzel