and far and away. richard engel s remarkable journey from here to timbucktu. captions paid for by nbc-universal television good evening, tonight there is a light at the end of the tunnel for those 33 trapped miners in chile who after more than two months could be hoisted to freedom by the middle of this week. following a day of high emotion as a drill boring a res crew sthaft finally broke through to the miners, today preparations are under way to lift them to the surface. if drilling a hole to reach them was tough, actually bringing them out safely is potentially more risky. kerry sanders is above the mine tonight. reporter: today alicia penned what she hopes is the last letter to her son daniel. she wants to see him, hug him, kiss him. on saturday teams here took a huge step in this rescue effort, one of three drills racing to the 33 men down below punched through 622 meters, that s 2,040 feet of some of the hardest rock on earth. at the drill s controls american jefl h