France runs the yellowcake operations in Niger.
that's correct, they were essentially the "middleman" between Iraq and Niger - that's why they have the motive (along with the american left) to discredit the story by planting forged documents as a poison pill.
still, I don't think Fitzgerald is going to be able to pull this off and get to the bottom of it all - too many secrets, Miller won't talk (if I were her, I'd have somebody tasting my food if you know what I mean), etc.