Clarke, an assistant professor at Carnegie Mellon University’s Institute for Politics and Strategy, said governments have been generally slow to recognize and name the threat posed by rising white supremacist activity. A part of the problem, he said, could be that the demographics of white supremacists — as opposed to those of jihadists — represent a majority of Americans. That’s why New Jersey’s move is significant, he said. He isn’t aware of other states with research and analysis offices that have gone this far.