Semifinalists Named in $2 Million Mojave Desert Robot RaceBy Alicia Chang The Associated Press Published: Jun 6, 2005 LOS ANGELES (AP) - Let the battle of the machines begin again. Forty self-navigating robots were chosen Monday to compete in the Oct. 8 sequel to last year's first-ever robot race across the Mojave Desert. Only half of the semifinalists will qualify for a spot on the starting line, based on how they maneuver - without human help - through a series of obstacle courses. The stakes are higher this time around: Organizers of the Pentagon-sponsored race doubled the prize money after...