Overview: Ali G ponders issues of security - from airports to dogs to trains to green cards - with former Commissioner of the Immigration and Naturalization Service James Ziglar. On the road to sample some of America's favorite hobbies, Borat winds up wrestling with a self-defense expert, making music with a yoga teacher, and sniffing up members of a new-age dance class. Ali G chats with former EPA Administrator and New Jersey Governor Christie Whitman about solar energy and dirty water, then pays a visit on some earth-minded protestors perched in the redwoods. In Miami, Bruno discusses the future of clubbing with Nerve Lounge owner James Butler, and later plays bouncer at a South Beach hot spot. Finally, Ali G moderates a expert panel discussion on animal rights, focusing on kitchen experiments, fur coats, P. Diddy, horse sex and more.