What was Joseph Hazelwood ridiculed for on Late Night with David Letterman following the Exxon Valdez incident?

A. His navigation skills
B. One of his excuses being that he was trying to scrape ice off the reef for his coffee
C. One of his excuses being that he was trying to scrape ice off the reef for his margarita
D. His role in causing the oil spill
Answer: 