

I would probably go with “whatever was the most recent release,” so West is canonical, but his identity as the would-be assassin is not?
Which I prefer, to be honest - having the Klingon be a Klingon helps to reinforce this as a cross-faction conspiracy.
Star Trek VI is generally considered one of the “good ones”.
Of course, the secret is, they’re all the good ones.
Yes, even that one.