Who is Mel Gibson from Incognito: The Secret Lives of the Brain and what is their importance?

Mel Gibson is a popular actor who was pulled over while driving drunk and arrested. During the arrest, he made several insulting remarks about Jews to the arresting officer, comments which were later made public. Gibson issued an apology and offered to take steps to make up for his behavior. Eagleman uses Gibson as an example of how drastically behavior can change in a single individual.