Dick Cheney talking about Sarah Palin, on the Laura Ingraham show.
"I've never gotten around the question of her having left the governorship of Alaska, mid-term. I've never heard that adequately explained."
That's the most serious challenge she faces in persuading voters she's capable of being president.
On a national stage, she could work to confront other stereotypes about her -- that she's not smart, that she doesn't know much about policy -- but her resignation will always be there as something very tangible and substantive.
Comes about 24 minutes in.