From 1986 to 1989 Bierling was a stipendee of the Adenauer foundation and since 2009 is its mentor - in - residence at Regensburg university .
He is a frequent commentator for national and international radio and TV shows and gives a lot of public talks .
From 1986 to 1989 commentator was a commentator of the Adenauer foundation and since 2009 is its mentor - in - residence at Regensburg university .
He is a frequent commentator for national and international radio and TV shows and gives a lot of public talks .