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BERLIN - NOVEMBER 07: (EDITORS NOTE: Entertainment Online Subscriptions GLR Included) Berlin major Klaus Wowereit and boyfriend Joern Kubicki attend the '16th Aids Gala' at Deutsche Oper on November 7, 2009 in Berlin, Germany.

Berlin Mayor Klaus Wowereit (R) and German SPD Social Democrat Foreign Minister Frank-Walter Steinmeier arrive for the opening of an outdoor exhibition marking the 20th anniversary of the political movement in East Germany leading up to the collapse of the East German state in Berlin Ma...

Berlin mayor Klaus Wowereit (R) talks to Air Berlin CEO Joachim Hunold (L) during his visit at the ITB tourism fair in Berlin, March 11, 2009. The world's biggest travel fair ITB kicks runs from today until March 15.

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Berlin's mayor Klaus Wowereit (L) and Angolan President Jose Eduardo Dos Santos poses for a photo in front of Berlin's landmark Brandenburg Gate on February 27, 2009.

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Berlin's mayor Klaus Wowereit (L) and Angolan President Jose Eduardo Dos Santos poses for a photo in front of Berlin's landmark Brandenburg Gate on February 27, 2009.

AP Photo 10 months ago

Berlin's Minister of Cultural Affairs, Bernd Neumann, left, and Berlin's Mayor Klaus Wowereit, right, attend a ceremony and the official beginning of the building of the Holocaust Memorial for the murdered Sinti and Roma people near the Reichstag in Berlin, Friday, Dec. 19, 2008.

Berlin Mayor Klaus Wowereit gives a speech during the opening of an outdoor exhibition marking the 20th anniversary of the political movement in East Germany leading up to the collapse of the East German state in Berlin May 7, 2009.

Berlin Mayor Klaus Wowereit, Bavarian state prime minister Horst Seehofer and Brandenburg state prime minister Matthias Platzeck (L-R) arrive for a Prime Ministers Conference in Berlin March 26, 2009.

AP Photo 8 months ago

Klaus Wowereit, Mayor of Berlin, center, poses with two dancers at the stand of Mexico during the opening walk at the ITB tourism fair in Berlin, Germany, Wednesday, March 11, 2009.

Berlin mayor Klaus Wowereit tries salt before drinking tequila during his visit at the ITB tourism fair in Berlin, March 11, 2009. The world's biggest travel fair ITB kicks runs from today until March 15.

Berlin mayor Klaus Wowereit wears a Mexican hat during his visit at the ITB tourism fair in Berlin, March 11, 2009. The world's biggest travel fair ITB kicks runs from today until March 15.

Berlin mayor Klaus Wowereit wears a Mexican hat during his visit at the ITB tourism fair in Berlin, March 11, 2009. The world's biggest travel fair ITB kicks runs from today until March 15.

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Berlin Mayor Klaus Wowereit (C) shakes hands with NBC reporter Tom Brokaw after receiving a Freedom Award on behalf of the people of Berlin, as CEO of the Atlantic Council Frederick Kempe (L) looks on during a gala banquet of the Atlantic Council in Berlin November 8, 2009 one day ahead...

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BERLIN - NOVEMBER 07: Berlin city mayor Klaus Wowereit stands by giant, painted, styrofoam dominoes standing near the Reichstag after officially unveiling the last one on November 7, 2009 in Berlin, Germany.

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Berlin Mayor Klaus Wowereit (R) unveils a giant domino signed by former Polish president Lech Walesa during the official inauguration of the celebrations marking the 20th anniversary of the fall of the Berlin wall in Berlin November 7, 2009.

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Berlin Mayor Klaus Wowereit poses next to a giant domino signed by former Polish president Lech Walesa during the official inauguration of the celebrations marking the 20th anniversary of the fall of the Berlin wall in Berlin November 7, 2009.

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Berlin Mayor Klaus Wowereit (R) unveils a giant domino signed by former Polish president Lech Walesa during the official inauguration of the celebrations marking the 20th anniversary of the fall of the Berlin wall in Berlin November 7, 2009.

Berlin's mayor Klaus Wowereit (R) unveil the first domino piece near the Reichstag building during a ceremony in Berlin November 7, 2009.

AP Photo 2 days ago

Berlin's Mayor Klaus Wowereit stands in front of a painting on a segment of the reopened East Side Gallery in Berlin, Germany, Friday, Nov. 6, 2009. The 105 wall paintings of the former Berlin Wall were restored for the 20th anniversary of the opening of the Berlin Wall in November 2009.

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BERLIN - NOVEMBER 06: Berlin city Mayor Klaus Wowereit (C) speaks to journalists in front of restored murals along a still-existing portion of the former Berlin Wall known as the East Side Gallery on its official re-opening day on November 6, 2009 in Berlin, Germany.

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BERLIN - NOVEMBER 06: Berlin city Mayor Klaus Wowereit (C) poses with artists in front of a restored mural showing a Trabant car breaking through the Wall along a still-existing portion of the former Berlin Wall known as the East Side Gallery on its official re-opening day on November...

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BERLIN - NOVEMBER 05: Berlin Mayor Klaus Wowereit (2ndR) and MTV Ceo Bill Roedy (R) arrive for the 2009 MTV Europe Music Awards held at the O2 Arena on November 5, 2009 in Berlin, Germany.

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BERLIN - NOVEMBER 05: Berlin's mayor Klaus Wowereit arrives for the 2009 MTV Europe Music Awards held at the O2 Arena on November 5, 2009 in Berlin, Germany.

Berlin Mayor Klaus Wowereit (R) and Social Democrats (SPD) Saarbruecken leader Heiko Maas pose on the red carpet before the MTV Europe Awards ceremony in Berlin November 5, 2009.

Berlin mayor Klaus Wowereit poses on the red carpet before the MTV Europe Awards ceremony in Berlin November 5, 2009.