The quick fix may involve sending in the National Guard. But to really patch up the broken border, President Bush is preparing to turn to a familiar administration partner: the nation’s giant military contractors. Lockheed Martin, Raytheon and Northrop Grumman, three of the largest, are among the companies that said they would submit bids within two weeks for a multibillion-dollar federal contract to build what the administration calls a “virtual fence” along the nation’s land borders. Full Story