Political Corruption has probably been in existence since the dawn
of politics, so providing a comprehensive list would be impossible.
But here are a few sites with a few examples:
From
The Political Graveyard
Feds Kept Busy With New Mexico Politicians
Political corruption: Catching minnows not the whales
Slimy Illinois Politicians Take State from Bellwether to National
Joke
Duke Cunningham
Jack Abramoff
We are certain of one thing, more to come...