One witless I know actually said "I really like Brother Lett - his face is soo expressive, the eyebrows go up and he uses his lips to enunciate every word clearly. And he speaks slowly so it is easy to follow what he is saying."
I'm not sure if it's true but my understandg is the reason he speaks this way is because he grew up in a household where both parents are deaf and he too is partially deaf. He apparently has always had to enunciate his words slowly for those who read lips and use hands to "sign" and his face to help express the emotion of what he is saying.
If this is true, you'd think he'd use sign language during his broadcasts so everyone could "hear"what his message is directly but then again it might be less distracting to use closed captioning instead.