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BERLIN - OCTOBER 01: Former German Chancellor Helmut Kohl, whose initiatives made German reunification in 1990 possible, gestures after speaking at a celebration of the German Christian Democrats (CDU) on October 1, 2010 in Berlin, Germany. The CDU is celebrating the 20th anniversary of the fusion of the West German and East German Christian Democrats in 1990. Germany will mark 20 years since the reunification of East and West Germany on October 3 following the collapse of the East German communist government one year before. (Photo by Sean Gallup/Getty Images)

BERLIN - OCTOBER 01: Former German Chancellor Helmut Kohl, whose initiatives made German reunification in 1990 possible, gestures after speaking at a celebration of the German Christian Democrats (CDU) on October 1, 2010 in Berlin, Germany. The CDU is celebrating the 20th anniversary of the fusion of the West German and East German Christian Democrats in 1990. Germany will mark 20 years since the reunification of East and West Germany on October 3 following the collapse of the East German communist government one year before. (Photo by Sean Gallup/Getty Images)
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BERLIN - OCTOBER 01: Former German Chancellor Helmut Kohl (C), whose initiatives made German reunification in 1990 possible, his wife Maike Kohl-Richter (L) and current German Chancellor Angela Merkel toast one another at a celebration of the German Christian Democrats (CDU) on October 1, 2010 in Berlin, Germany. The CDU is celebrating the 20th anniversary of the fusion of the West German and East German Christian Democrats in 1990. Germany will mark 20 years since the reunification of East and West Germany on October 3 following the collapse of the East German communist government one year before. (Photo by Sean Gallup/Getty Images)

BERLIN - OCTOBER 01: Former German Chancellor Helmut Kohl (C), whose initiatives made German reunification in 1990 possible, his wife Maike Kohl-Richter (L) and current German Chancellor Angela Merkel toast one another at a celebration of the German Christian Democrats (CDU) on October 1, 2010 in Berlin, Germany. The CDU is celebrating the 20th anniversary of the fusion of the West German and East German Christian Democrats in 1990. Germany will mark 20 years since the reunification of East and West Germany on October 3 following the collapse of the East German communist government one year before. (Photo by Sean Gallup/Getty Images)
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Getty Images News Sean Gallup

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BERLIN - OCTOBER 01: Former German Chancellor Helmut Kohl, whose initiatives made German reunification in 1990 possible, speaks at a celebration of the German Christian Democrats (CDU) on October 1, 2010 in Berlin, Germany. The CDU is celebrating the 20th anniversary of the fusion of the West German and East German Christian Democrats in 1990. Germany will mark 20 years since the reunification of East and West Germany on October 3 following the collapse of the East German communist government one year before. (Photo by Sean Gallup/Getty Images)

BERLIN - OCTOBER 01: Former German Chancellor Helmut Kohl, whose initiatives made German reunification in 1990 possible, speaks at a celebration of the German Christian Democrats (CDU) on October 1, 2010 in Berlin, Germany. The CDU is celebrating the 20th anniversary of the fusion of the West German and East German Christian Democrats in 1990. Germany will mark 20 years since the reunification of East and West Germany on October 3 following the collapse of the East German communist government one year before. (Photo by Sean Gallup/Getty Images)
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Getty Images News Sean Gallup

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BERLIN - OCTOBER 01: Former German Chancellor Helmut Kohl, whose initiatives made German reunification in 1990 possible, and current German Chancellor Angela Merkel attend a celebration of the German Christian Democrats (CDU) on October 1, 2010 in Berlin, Germany. The CDU is celebrating the 20th anniversary of the fusion of the West German and East German Christian Democrats in 1990. Germany will mark 20 years since the reunification of East and West Germany on October 3 following the collapse of the East German communist government one year before. (Photo by Sean Gallup/Getty Images)

BERLIN - OCTOBER 01: Former German Chancellor Helmut Kohl, whose initiatives made German reunification in 1990 possible, and current German Chancellor Angela Merkel attend a celebration of the German Christian Democrats (CDU) on October 1, 2010 in Berlin, Germany. The CDU is celebrating the 20th anniversary of the fusion of the West German and East German Christian Democrats in 1990. Germany will mark 20 years since the reunification of East and West Germany on October 3 following the collapse of the East German communist government one year before. (Photo by Sean Gallup/Getty Images)
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Getty Images News Sean Gallup

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BERLIN - OCTOBER 01: Former German Chancellor Helmut Kohl, whose initiatives made German reunification in 1990 possible, and current German Chancellor Angela Merkel attend a celebration of the German Christian Democrats (CDU) on October 1, 2010 in Berlin, Germany. The CDU is celebrating the 20th anniversary of the fusion of the West German and East German Christian Democrats in 1990. Germany will mark 20 years since the reunification of East and West Germany on October 3 following the collapse of the East German communist government one year before. (Photo by Sean Gallup/Getty Images)

BERLIN - OCTOBER 01: Former German Chancellor Helmut Kohl, whose initiatives made German reunification in 1990 possible, and current German Chancellor Angela Merkel attend a celebration of the German Christian Democrats (CDU) on October 1, 2010 in Berlin, Germany. The CDU is celebrating the 20th anniversary of the fusion of the West German and East German Christian Democrats in 1990. Germany will mark 20 years since the reunification of East and West Germany on October 3 following the collapse of the East German communist government one year before. (Photo by Sean Gallup/Getty Images)
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Getty Images News Sean Gallup