http://www.vasoccernews.com/2013/08/tear-down-this-wall-biracial-german.html
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Here is an interesting piece done by George Howell of CNN discussing the link between the fall of the Berlin Wall and the current state of German-American players on the U.S. Men's National Soccer Team.
http://www.vasoccernews.com/2013/08/tear-down-this-wall-biracial-german.html