Excerpted from The Los Angeles Times: The tunnel stretched a mile long, from the jailhouse shower to an empty building in a cornfield, and was deep enough for drug kingpin Joaquin El Chapo Guzman to stand upright as he made his escape.A minor engineering masterpiece, some might say, equipped with ventilation, lighting, oxygen tanks, scaffolding and a motorcycle contraption for removing the tons of dirt being excavated.Guzman, Mexicos most powerful drug lord, escaped sometime Saturday night from a maximum-security prison through the clandestine passageway, authorities announced Sunday.He had often used tunnels, as well as bribes and murder, to stay steps...