Matthew McConaughey and Joe Rogan discuss why recovered UFOs stayed hidden. Joe Rogan explained that Herbert Walker gathered scientists including Hal Puthoff and told them the government had recovered crashed UFOs on more than one occasion plus a reverse engineering program. He asked them to list the positives and negatives of telling the public. Every group came back with more negatives than positives because of the disruption it would cause to religion, government and the economy. Matthew M...