I always would be happy to make a character even more unlikable, but you know, there's a limit and if you go there, you get into a very different kind of movie, man.
Potentially significant, by the way, because we don't know exactly what's in Matt Cooper's notes, and we don't know - and we don't still know the answer to the crucial question of whether it was Rove or somebody else that revealed Valerie Plame's name to him.
Tree roots hold river banks together and stop the wind blowing soil away, there are many creatures that live in woods and they provide a sense of well-being and look nice.