It took this long to figure it out?

CIA Chief Sees Unrest Rising With Population

By Joby Warrick
Washington Post Staff Writer
Thursday, May 1, 2008; A15

Swelling populations and a global tide of immigration will present new security challenges for the United States by straining resources and stoking extremism and civil unrest in distant corners of the globe, CIA Director Michael V. Hayden said in a speech yesterday

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Gosh, you mean adding a million + people a year from radically different cultures creates problems? Who knew!
Gulp, you mean when different ethnic blocks form it fragments nations? Wow, what a revelation!