David Crosby, rock star and co-founder of Crosby, Stills, Nash and Young, dies at 81

 David Crosby, rock star and co-founder of Crosby, Stills, Nash and Young, dies at 81

David Crosby, the trailblazing singer-songwriter whose time with The Byrds and later Crosby, Stills, Nash and Young expanded rock’s range, has died, his publicist said Thursday. He was 81.
Citing a …