Public Speaking Champion
(fixing a previous technical blipblap - if you got the wrong episode before, listen to this one instead)
Joel Schwartzberg (joelschwartzberg.net) has been teaching people about public speaking for years and has written a book on the subject called, Get to The Point: Sharpen Your Message and Make Your Words Matter. Amongst other accolades, he has won the United States Championship in After Dinner Speaking. Here, he explains how and why.