By Dick Rosse
http://stream.publicbroadcasting.net/production/mp3/delmarva/local-delmarva-747624.mp3
Salisbury, MD – With the presidential election looking like a close race, Democrats and Republicans are expected to be mindful of third party candidates that could spoil their chances. Public Radio Delmarva's Dick Rosse takes a look back at the some key third party candidacies.