Germany commemorates unification (3 clips)

In cities and towns across Germany, the country is looking back on fifteen years of German unity. In the central ceremony in Potsdam, politicians praised the accomplishments of the"peaceful revolution" in East Germany. More clips: Unification: A tale of two cities on Deutsche Welle"World"; and U.S. Supreme Court/Germany Reunification on WAMU"The Diane Rehm Show."