Last week, I was fortunate to be able to attend the opening of a Smithsonian Museum of Natural History exhibit dedicated to the rescue of 33 miners from the San José mine in Chile, and meet two of miners whose story captivated the world as they endured 69 days underground following a mine explosion. Carlos Barrios, Jorge Galleguillos, José HenrÃquez, and Mario Sepúlveda traveled to DC for the opening of "Against All Odds: Rescue at the Chilean Mine," a small but powerful exhibit whose centerpiece is one of the capsules built to haul the miners up 2,000 feet through the narrow shaft drilled…