Xenophobia is the ugly side of strong ties. Any group that is closely knit will become outright xenophobic towards "Outsiders". It's how Oxytocin[1] works. [1]

Xenophobia is the ugly side of strong ties. Any group that is closely knit will become outright xenophobic towards "Outsiders". It's how Oxytocin[1] works. [1]http://en.wikipedia.org/wiki/Oxytocin http://en.wikipedia.org/wiki/Oxytocin