Texas Gov . Rick Perry said ISIS may have come into U.S. through border with Mexico . Ruben Navarrette : As U.S. governors go , Pena Nieto has his favorites and his not-so-favorites . Pentagon rep said there is no evidence that Perry is trying to cross border . Navarrette : Perry seems to be mounting a bid for president on anti - Mexico fear - rhetoric . Navarrette : Perry 's remarks absurd and putting U.S.-Mexico relations in danger just to promote himself .
Texas Gov . Rick Perry said ISIS may have come into U.S. through border with Mexico . Ruben Navarrette : Pentagon rep said there is no evidence that Perry is trying to cross border . Navarrette : Perry seems to be mounting a bid for president on anti - Mexico fear - rhetoric . Navarrette : Perry 's remarks absurd and putting U.S.-Mexico relations in danger just to promote himself .