I think one can be a great communicator without being a great speaker. True passion for a subject comes through, even if a person says "ummm" a lot. It might be

I think one can be a great communicator without being a great speaker. True passion for a subject comes through, even if a person says "ummm" a lot. It might be harder to be a good "listener" than a good speaker when it comes right down to it.