When LeMessurier was presenting the problem and solution to the top brass at Citicorp, the lawyers, the director of the American Red Cross, the building commissioner, and various New York City officials, which types of nonverbal communication do you imagine were the most important in getting their cooperation? For example,

what physical environment and seating arrangement would work best for this type of message?
Also, what appearance and nonverbal presence would you recommend for LeMessurier? Formal or casual clothing? Confident or contrite posture and facial expressions? Use of immediacy behaviors? And so on. Be specific.