[DManA]

Better way to look at it is What is the Half Life of Honesty in a Politician.

Most of them come into office honest. After 10 years half of them are totally corrupt. After 20 years 99% are totally corrupt.

[John.Galt2012]

That is why term limits on the whole corrupt lot should be in the top 3 list of Constitutional Amendments. You are absolutely correct. We send them there a fundamentally honest public servant and then over time the change. Limit the damage they can do.