I'd like to know how you can consider yourself an American, when you're willing to replace half of your own population with more ideologically friendly (and cheaper working) foreigners. Don't countries become meaningless in a culture-less global economy? Won't humans simply become generic economic production units willing to move to Geographic-Economic Marketplace #001367 (formerly known as the USA) to compete with other generic economic production units for employment positions? America is more than just a collection of interchangeable worker drones. America consists not only of its people, but of its culture, language, religion, mores, customs and traditions both national and familial. It's the same for every other nation. You can't pluck one group of people from one side of the globe and drop them into a completely different environment on the other side of the globe and expect things to run smoothly. You have to teach Somalians how civilization works pretty much from scratch, from "you have to pay bills every month" to "you can't set fires in the middle of your living room because you'll die from carbon monoxide poisoning," to "please don't grope women in crowds and harass gay people. You'll be arrested."
People like Bob think that, because we've automated most economic production and spread standardized Western Culture to every corner of the globe (to the point where there are Starbucks in Tibet,) that we can program the people all around the world to be Good Purveyors of Secular Democracy just as easily. But, while you can brainwash people into going against their own instincts and interests up to a point, sooner or later, you'll run out of the energy and economic output needed to keep it up. (Also, there's the little matter of the people you import forming hegemons and imposing their new values over areas of their new country, previously held by native populations.)
I really hope one day Bob has to find himself living under Sharia Law. I'll feel bad for his female relatives, especially since they'll have to watch Bob being beheaded for his Atheism. (Bet you wish the Godbotherers and their guns were around to defend you now, do ya, Bob?)