Several persons have asked about sample clips from lectures and tapes. Here are some U TUBE LINKS
from some lectures I have done recently.
http://www.youtube.com/watch?v=qC-cthkTY9Q
http://www.youtube.com/watch?v=_RjqU6b8awk&feature=related
http://www.youtube.com/watch?v=_RjqU6b8awk&feature=related