Pulitzer-Prize winning poet John Ashbery passes away

Pulitzer-prize winning poet John Ashbery (90-year), a post-modern American trailblazer passed away in Hudson, New York. His 1975 collection, "Self-Portrait in a Convex Mirror," was the rare winner of the book world's unofficial triple crown: the Pulitzer Prize, the National Book Award, and the National Book Critics Circle prize. He was given a National Humanities Medal and credited with changing in 2011.