PETA criticized use of photo of Sarah Palin 's husband chewing on a dog . Ruben Navarrette : It seems that he also needs constant protection -- from liberals who hate his mommy . Animal rights groups criticized Palin unfairly .
PETA criticized use of photo of Sarah Palin 's husband chewing on a dog . Ruben Navarrette : Animal rights groups criticized Palin unfairly .