NAFTA SUPERHIGHWAY | An urban myth or reality? Super suspicious foes The government denies any such plans, but campaign against it continues. By MATT STEARNS McClatchy Newspapers WASHINGTON | If the government really has a secret plan for a 12-lane road-and-rail NAFTA Superhighway that will split the heartland from Mexico to Canada, it is playing with a great poker face. “There is absolutely no U.S. government plan for a NAFTA Superhighway of any sort,” said David Bohigian, an assistant secretary of commerce. Sen. Kit Bond, a Missouri Republican and a powerful member of committees that would authorize and pay for...