Anthea Butler is an Associate Professor of Religious Studies at the University of Pennsylvania and author of “The Gospel According to Sarah: How Sarah Palin’s Tea Party Angels Are Galvanizing the Religious Right.”

Last fall, she argued that anti-Muslim filmmaker Sam Bacile was responsible for attacks on the US embassy in Cairo and, as a result, should be imprisoned.

Last month, she criticized Sarah Palin’s physical appearance:

http://twitter.com/#!/AntheaButler/status/312959497301786624

http://twitter.com/#!/AntheaButler/status/312959900835778560

http://twitter.com/#!/AntheaButler/status/312960041005223936

When it comes to invective, she’s an expert.