Chris Christie offered a challenge to critics who allege the New Jersey governor created a culture of intimidation that led to so-called “Bridgegate”: Prove it. The Republican defiantly made his case Thursday at a town hall meeting in Ocean County after an attendee told the governor that his friends and family believe that Christie must have cultivated a toxic environment that allowed such an abuse to take place. Point Pleasant Beach, N.J. resident Len Ludovico, 71, said he wanted to know what argument he could make to such critics, insisting he knows Christie would not risk his “political career and...