First, Frank Rich on Christine O'Donnell and how she and her template Sarah Palin weave attacks against them into a "brilliant cloak of martyrdom."
They are very good at this.
For a shockingly direct example, see O'Donnell's latest ad:
And there we have it. "Tired of people smarter than you running the country? Hire me! I'm dumber than a bag of hammers, just like you!"