Answer: Adapt to the speaker's delivery by focusing on the message, not the delivery style.
Explanation: If I were a member of Jeb's audience i will adapt to his delivery by focusing on the message and not the delivery style.
Jeb's monotone, mumbling, and lack of movement or body language can be classified to be a form of communication noise which influences on effective communication and influences the interpretation of conversation. The ability to block this communication noise will enable me the receiver of he message be an effective listener.