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FILE - FDP politician Wolfgang Gerhardt, then Chairman of the Friedrich Naumann Foundation is pictured in Berlin, on Nov. 15, 2009. (Karlheinz Schindler/dpa via AP, File)

FILE - FDP politician Wolfgang Gerhardt, then Chairman of the Friedrich Naumann Foundation is pictured in Berlin, on Nov. 15, 2009. (Karlheinz Schindler/dpa via AP, File)

FILE - The former federal chairman of the FDP, Wolfgang Gerhardt, addresses the delegates at the FDP state party conference in Hesse, Germany, on June 19, 2010. (Uwe Zucchi/dpa via AP, File)

FILE - The former federal chairman of the FDP, Wolfgang Gerhardt, addresses the delegates at the FDP state party conference in Hesse, Germany, on June 19, 2010. (Uwe Zucchi/dpa via AP, File)