Rep. Bill Janklow was driving an estimated 70 to 75 mph when he ran a stop sign and his Cadillac collided with a motorcycle, according to an accident report released Wednesday by the South Dakota Highway Patrol. The speed limit on the road is 55 mph.Prosecutors are weighing whether to bring criminal charges against the former four-term governor, who has exerted enormous political power over South Dakota politics for nearly 30 years.Highway Patrol officials said they would forward the results of the report to Moody County prosecutor William Ellingson, who will decide whether to bring charges.Janklow's son, Russ Janklow, said...