I think we certainly have a workable bill at this point.

You can't drill a well when you don't know what the economics will be.

So far as I'm concerned Mr Samuel has said that this is a workable model and I certainly don't propose to release the letter.

I think that this is a good starting point. I certainly don't think we need to be watching him while he sleeps.

We certainly wouldn't want that to be a holdup to not getting the bill done.

would not be workable.