The message is clear. Edwards typifies it. Those who know how to campaign may be the least qualified to govern.
Why? He made terrible decisions regarding his illicit affair.
Edwards was no different in his personal behavior than JFK (sometimes called Jack the Zipper), LBJ or Bill Clinton. Eliot Spitzer even had a good message but showed bad judgement.
There has been a shift in tolerance for "moral" standards over the last decade.
And we haven't had a decent executive in office since FDR. Even FDR had an affair with Lucy.