Peter, Paul and Mary’s music and social activism helped to shape a generation. Through the years, the seminal folk trio has touched the hearts and consciences of millions of people worldwide, won five Grammy Awards, received eight gold and five platinum records, had 13 top 40 hits, and been the subject of five PBS documentaries. A new one entitled 50 Years with Peter, Paul and Mary has begun airing on PBS television stations throughout the U.S. [To continue reading this article, click on the headline.]