But our real discussion is going to be about change.

He could keep this discussion going for quite some time.

After that, there was no discussion of her going back.

But discussions are also going on in private, of course.

The discussion and development of the battle plan went on for another two hours without a break.

"Now there is a discussion going on about whether or not it's still needed."

You seem less interested in that issue, so I guess we don't really have a discussion going after all.

There are two levels of discussions going on at the moment.

Since then, some great discussion has gone on in the comments.