Westdeutscher Rundfunk Köln ( WDR , `` West German Broadcasting Cologne '' ) is a German public-broadcasting institution based in the Federal State of North Rhine-Westphalia with its main office in Cologne .
The Westdeutscher Rundfunk ( WDR , official `` Westdeutscher Rundfunk Köln '' ) is a German public-broadcasting institution based in the Federal State of North Rhine-Westphalia with its main office in Cologne .