In looking over the DNC area, it appears that it works for just a period of time. At times, we think we answered the mail by subscribing to the DNC, but we actually haven't. It would be nice if we could do this one time for a lifetime input. V/r - Cliff

I have always walked around in the classroom. However, in taking this lesson, I realize that it's better to just stand in the back of the classroom. You are right though, they are already nervous, so why make them more nervous by walking around the class. Great point!