If you want the sense of truth that comes from an eyewitness account you use the first person. The story is told by the main character from their point of view, and we stay inside the head of someone intimately involved with the events. He can explain his actions and motives. Which is presumably why Lance Armstrong chose not to. In the Oprah Winfrey interview he refers to himself in the third person: “The leader of the team, the guy that that...