I taught a public speaking class in Houston last week for a great group of people. We had an absolute blast. But the class was a little smaller than normal. And it got me thinking about a topic that I covered a couple of years ago, but we haven't really delved into a lot -- public speaking coaching. If you'd listened to a few episodes, you'll know that I am a big fan of public speaking classes because classes allow participants to practice speaking in a controlled environment. They are a saf...