Olympic long distance runner, Meb Keflezighi, came to the U.S. as a refugee from war-torn Eritrea in 1987. By 1998, Meb obtained citizenship in the U.S. and began to emerge as one of the fastest long-distance runners. This year at the 2012 London Olympics, Meb hopes to bring home the gold after winning the silver in the 2004. (Photo by Bob Levey/Getty Images)
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Many Team USA athletes were born in other countries. Here are some of the athletes who have migrated to the U.S., obtained citizenship and are now competing for their new home country. -- By Lauren Jones