Always good to put the link in the OP and explain who the Three Letter Acronym is if it is new. Puts the information in a much better context. And yes based on that site alone it appears that crime has increased. Is it poorly established multiculturalism, economic doldrums or a combination? I assume the first, but to assume is to make an...
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As for multiculturalism always failing because of the differences. I live in Australia, was born in Fiji to a Welsh mum and Kiwi dad who is of Swedish and English descent, and I'm married to a lady born in Taiwan. Australia is generally on the higher end of country well being statistics yet a quarter of us were born overseas and even more of us are second/third generation.
As for genetics just remember man and woman are the two most differen races on the planet.
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