By Dick Rosse
http://stream.publicbroadcasting.net/production/mp3/delmarva/local-delmarva-842337.mp3
Salisbury, MD – It's been 20 years since the fall of the Berlin Wall. And, the Cold War was an era that saw two superpowers face off against each other in the heart of Europe. A look back from a correspondent who recalls the highs and lows of the period.