They put me in a harness, like a horse, to learn the back somersault. It was weird up there when I put on that harness for the first time. The courage came with practice.
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There are two types of courage involved with what I did. When it comes to picking up a rifle, millions of people are capable of doing that, as we see in Iraq or Vietnam. But when it comes to risking their careers, or risking being invited to lunch by the establishment, it turns out that's remarkably rare.