This month, as well as this year, has been a turbulent but significant moment of the 21st Century. We don’t know how it will affect our future. In the third season of “Star Trek: Deep Space Nine,” the writers imagined how a significant moment in the 2020s could lead to the creation of Starfleet and the Federation. The trio look at Sisko, Bashir, and Dax’s unplanned adventure in 2024 in the two-parter “Past Tense.” How did Ben and Julian’s experience in the so-called sanctity district contrast to Jadzia’s time in the sky rise office building? What meaning does this episode have for us today?