Patrick Warburton

One of the actors involved in the hit cartoon series "Family Guy" has come out in support of Sarah Palin by voicing his disapproval of a Down Syndrome joke in a recent episode.As NewsBusters reported on Valentine's Day, the Fox program made what some have considered a tasteless swipe at the Palins by having a character with Down Syndrome state, "[My] mom is the former governor of Alaska."Sarah…