"I have never personally gotten the impression that they are deliberately using the portal for that purpose," Roy said carefully, "and if they were, I would strongly believe they would tell us there is no way back, not that we could earn our way back."

He might be wrong, and recognized the fact, but he felt the evidence supported his position. At a minimum he believed that if they really intended to permanently integrate the population, they had a NUMBER of techniques and abilities here that could make that easy.