Dan Fleshler Huffington Post, March 7, 2012 On a bitterly cold day during a recent visit to Berlin, I stood in front of a modest, unfinished, yellow brick wall on the grounds of the Löcknitz-Grundschule, a primary school in the city's "Bayerische Viertel" (Bavarian Quarter). Children were shouting and scampering around on a nearby playground. Next to me, even though she had visited this wall many times, Gudrun Blankenburg had ...