Of all the people in the world to donate a portion of their liver to Steve Jobs, Tim Cook was the worst possible choice. Companies have travel policies where senior execs can't travel on the same plane together because, if that plane goes down, the organization loses leadership continuity.<p>Hundreds of thousands of people rely on Apple for their livelihood and, from Apple's perspective, losing both Cook and Jobs would have been devastating. It was shockingly irresponsible of Cook to suggest this idea.