"When you put that all together it suggest that we are going to need something like 50 percent more, perhaps 100 percent more, food from our existing land and that is a very significant challenge and we believe we need to be thinking seriously about that right away,"
VOA: standard.2009.10.21
Another approach is to bring in team members from outside your domain tochallenge your thinking.
The real solution to the challenge of replacing Jobs may lie in a change of thinking: in coming to see the Jobs-shaped hole as something to be filled, not by one individual, but by a team.