"I suspect that the tendency towards a kind of extremism in diaspora communities may have something to do with keeping them unified. Otherwise they would tend to assimilate. In the home country they’re not going to assimilate, you don’t have to prove you’re an Armenian or Israeli or Irish. But if you’re in the United States and you want to maintain some kind of cultural identity as a group it’s going to have some relation to the home country. And often more extreme positions are taken than in the home country because of the need to maintain identity. The one that I know best is the Jewish community but, as far as I know, others are much like it."