If children have the ability to ignore all odds and percentages, then maybe we can all learn from them. When you think about it, what other choice is there but to hope? We have two options, medically and emotionally: give up, or Fight Like Hell.
Leadership is simply the ability of an individual to coalesce the efforts of other individuals toward achieving common goals. It boils down to looking after your people and ensuring that, from top to bottom, everyone feels part of the team.