Bob Warner writes today about the ethical violations behind Renee Tartaglione's resignation (she was one of Philadelphia's top election officials). You should go check it out. The gist: The person in charge of running fair elections in Philadelphia was simultaneously working on behalf of certain campaigns.
Would that we had a political culture where it would seem obvious to people that you can't get away with this sort of thing. The best you can say about this is that hopefully it helps move us in that direction.
Update: See Dave Davies for more.