Two former associates of Gov. Chris Christie do not have to hand over documents to a legislative committee investigating the traffic jam scandal engulfing the governor, a New Jersey judge ruled Wednesday. Former Christie loyalists Bridget Kelly and Bill Stepien had been fighting subpoenas calling for them to turn over documents regarding the plot to create traffic jams in Fort Lee to retaliate against the town’s Democratic mayor. The legislative panel asked for the court’s help in getting the two to comply with the subpoenas. Calling the decision one involving “complicated and untested jurisdictional issues,” Judge Mary Jacobson expressed reservations...