CONCORD, N.C. (AP) -- Robby Gordon accused Danica Patrick of having an unfair advantage in the Indianapolis 500 and said Saturday he will not compete in the race again unless the field is equalized. Gordon, a former open-wheel driver now in NASCAR, contends that Patrick is at an advantage over the rest of the competitors because she only weighs 100 pounds. Because all the cars weigh the same, Patrick's is lighter on the race track. "The lighter the car, the faster it goes," Gordon said. "Do the math. Put her in the car at her weight, then put me or...