By Jim Tune Back in 1966 the folk-rock duo Simon and Garfunkel released an album called Sounds of Silence. The album was a best-selling collection of reflective songs with contemplative lyrics. It has been preserved by the Library of Congress as a “culturally, historically, or aesthetically significant” work of art. For that album, Paul Simon penned the words to a song about a much-admired philanthropist who was envied by all. “Richard Cory,” a poem by Edwin Arlington Robinson, was adapted by Simon into a song that ends with the startling news of the philanthropist committing suicide. My grandmother used to