I think if Kovy had made the pass, and kept 3rd, they would have given him a drive through penalty for making an aggressive move. There was contact, but since Kovy didn't gain a position and Trulli kept his, no penalty.
Then there's this:
http://www.planetf1.com/story/0,18954,3213_3726064,00.html
I am surprised continuously at the politics of racing in general, and F1 in particular. This is why F1 can't be cleaned up.