Allusions
- According to the DVD commentary, as this episode was finishing production an article appeared in the Los Angeles Times describing a proposal by the mayor to create fenced-in "havens" for the city's homeless, to make downtown Los Angeles more desirable for business. The cast and crew were shocked that this was essentially the same scenario that Past Tense warned might happen in three decades, but was now being seriously proposed in the present.
Read more about this topic: Past Tense (Star Trek: Deep Space Nine)