Honesty and Ethics Ratings of Professions, 2008-2010

Here is an interesting chart from the Gallup Poll showing the public's perception of honesty and ethics by profession, and changes over three recent years.  It's worth nothing that Members of Congress are near the bottom, with car salespeople, both with very low ratings, even less than advertising practitioners, and in fact about half off what the people think of lawyers!  How can we have so very little trust in the people we elect?