Why did a Tennessee school board ban a book about the Holocaust?
"Maus" is a seminal graphic novel published 30 years ago and the only one to have won the Pulitzer Prize. It was inspired by cartoonist Art Spiegelman's parents, and tells the story of the Holocaust and the experiences of its survivors in unflinching detail. The McMinn County School Board in Tennessee has now banned the book citing "nudity" and "inappropriate language." Here's what to know, and how Spiegelman and others are responding.