Should those who receive campaign donations serve on panels determining what campaign contributions are ethical?

It is impossible to introduce into society a greater change
and a greater evil than this;

The conversion of the law into an instrument of plunder.

Frederic Bastiat

Ethics panel clears 7 on earmarks

The House ethics committee ruled Friday that seven lawmakers who steered hundreds of millions of dollars in largely no-bid contracts to clients of a lobbying firm had not violated any rules or laws by also collecting large campaign donations from those contractors.

Paul Kane and Carol D. Leonnig
Washington Post