Red Brains vs. Blue Brains?

eLoco writes "From the NYTimes (reg. req.): The Political Brain -- "Why do Republicans and Democrats differ so emphatically? Perhaps it's all in the head." Researchers from UCLA have seem to have found that liberals have, on average, a more active amygdala than conservatives. According to the article, studies of stroke victims "have persuasively shown that the amygdala plays a key role in the creation of emotions like fear or empathy." So is this scientific "proof" that liberals tend to be more compassionate but also more cowardly? [DISCLAIMER: this is not a troll; I am a liberal]. Regardless, this seems to have implications for more than just politics. Favorite quote: "Perhaps we form political affiliations by semiconsciously detecting commonalities with other people, commonalities that ultimately reflect a shared pattern of brain function.""