is there something to it or people just seeing things year the government explained them away as natural phenomenon. now they're being applauded. >> also opens the possibility of getting more information about area 51 and programs conducted there, because until you acknowledge that it exists, you can't discuss the activities that took place there as having taken place there. >> on top of u2 spy plan they had he ox cart spy plane program, flying three times the speed of sound. >> shepard: all the questions are not answered. >> the speculation goes on and on about the aliens, about the ufos and the alien autopsies, but some experts say that journalists really should keep pushing on that. listen. >> well, the next step to find