Cruise Ships - Are They a Vital?

Jeff Yang: Cruise ships are vital because they allow us to study the effects of whatever new pandemic is about to break out on the week and the old. Maybe we could just use like a carnival cruise ship, he says. He adds that it's one of the last bastions of all you can eat soft serve ice cream for humanity. "I've been on a cruise ship twice. I've been like, oh, this is a death machine."