Doubt gnaws at my uncertain mind. Like some carnivorous beast it eats at my insecurities and dignities alike, clean and efficient. I'm simply reading a book but the conversation in my mind prevents me from anymore than the appearance of attention."You're going to die.""It's 5.7, you've already climbed it, you know what to expect.""Something will break and you'll be splattered on the talus. You're