I took it from the context that the not wasn't meant to be there. (Otherwise the point you were making wouldn't have made sense. Even though I disagreed with it.)

I don't think it's possible to make a clear distinction between a popular struggle and something with active leadership. Or indeed between a popular struggle and an unpopular struggle - most resistance movements are only actively, or even passively, supported by a minority.

The relevant question is whether the people organising attacks are "pro-Saddam" rather than just anti-invader, and we haven't been shown any convincing evidence indicating that. It is interesting to note indications that Iran is being increasingly identified as the next enemy, and you can't get more anti-Saddam than Iran and those Iraqis who look towards Iran as a friend.