New Jersey Gov. Chris Christie bristled at reports Friday that an electricians’ union stood in the way of some utility workers who wanted to help restore power to victims of Hurricane Sandy. He would use his emergency-management powers, he said, to guarantee that nonunion crews could help restore his state’s electricity grid without interference.“I’ve been on the phone with PSE&G [Public Service Electric and Gas Company], JCP&L [Jersey Central Power & Light] and the union, and they’ve all absolutely promised me they would never turn away a single worker whether they were union or nonunion, and I wouldn’t allow it,” Christie told...