Some interesting evidence coming out on a biological memory bias being at least partly responsible for racism, and, sorry, it seems more common in conservatives:
http://www.miller-mccune.com/cultur...-prevalent-among-social-conservatives-30040/#
Another interesting piece on the sociolology of political philosophies:
http://www.miller-mccune.com/politics/a-new-take-on-political-ideology-24683/
http://www.miller-mccune.com/cultur...-prevalent-among-social-conservatives-30040/#
Another interesting piece on the sociolology of political philosophies:
http://www.miller-mccune.com/politics/a-new-take-on-political-ideology-24683/