Here is the most brilliant sociological analysis of group-think and the lunacy that it can lead to.  It features Tom Hanks, Chris Farley, Michael Myers, and the rest of the SNL gang from the early 90’s.  You must watch this as it is hilarious but also will bite you in the but for all human’s have this tendency to isolate themselves in the comfort of a smug group.  (Unfortunately, you will have to copy and paste the link into your address bar.)

http://www.nbc.com/saturday-night-live/video/mr-belvedere-fan-club/1354072/