Quote Originally Posted by hamishspence View Post
Picard told his senior officers - that's what they're talking about during the card game before he shows up. Possibly, in the hope of averting any friendship problems between Worf and Riker, having seen how estranged they'd become in the Alternate Future.
Ah, you're right. It's been years since I've seen the episode after all. I still think that it's a...self-sealing paradox, because Q.

Man, we never did find out what the heck a self-sealing stem bolt was, did we?