Very well presented, Mike.  

I personally enjoy public speaking and teaching, but I was still able to gain some nuggets of wisdom from your podcast.  Even after years of speaking, I still struggle with omitting "Ummm", "Uh", etc.  These usually happen if I lose my place or am trying to work away from my original outline or answer a question.  I like your idea of pausing at these times while I gather my thoughts.  I will try to apply this soon!