Dick Cheney On Sarah Palin: Never Explained Departure

During a segment on The Laura Ingraham Show, the former Vice President talks about why he is not convinced that Sarah Palin would be a good presidential candidate:
I've never gotten around the question of her having left the governorship of Alaska, mid-term. I've never heard that adequately explained.
Here is the audio (the quote-in-question comes at about 24:00 into the clip):


Head nod: GOP12