In the summer Dr Arya Sharma and Dr Jacqui Gingras got together in front of a group to "debate whether obesity should be viewed as a disease". The moderated event lasted about two hours and was recorded and uploaded to YouTube. Here's the link --> http://youtu.be/fFnxjd8jMDg. You can skip the preamble by moving the slider to about 15:22 when the debaters are finally introduced.