The National Labor Relations Board (NLRB) is facing a second lawsuit from business groups upset about a controversial rule they contend will unfairly speed up union elections. The business groups are challenging what they refer to as the NLRB's "ambush election" rule. The Texas chapters of the Associated Builders and Contractors (ABC) and National Federation of Independent Business (NFIB) filed the lawsuit late Tuesday in federal court seeking to overturn the rule. "We are proud to join the legal fight against the ambush rule, which is designed to deprive employers, particularly small businesses who typically do not employ legal counsel,...