I'll have to look out for any recent statements by Ursula on this.

Although I read 'Forever War' three times because it was so good (I know, I know), I failed to detect the transgender strands, or his focus on sexuality : /. Joe was an astronomer and was drafted into Vietnam war, and I liked his playfulness with relativity based on physics. Anyway, new one on me. I don't intend to read it for the forth time to confirm your findings