Sometimes Understatement is the Best Response

I would call Sarah Palin a cretin, except actual cretins suffer from an ailment not of their own making and I don't think I want to let Palin off the hook. Cretins cannot help their condition; Palin could help herself by shutting up. Perhaps here would have been a good place to start:

 

All credit to Brooke Baldwin for the deadpan response.