Early results show Karzai victory. Duh?

Source: BBC News

Is it really fair that the guy who is/was appointed as interim caretaker governement seeks office in the first democratic elections? It seems like an obvious unfair headstart. It is also riddled with all sorts of corrupt potentialities. Caretakers should be forbidded from taking part in the first election. (I'm in a forbidding mood - what can I say)