The Musical Innertube - Mike Hingson's 9/11 Escape

<p>The 20th anniversary of 9/11 brings back many stories and memories. Here's one you must hear: the story of Mike Hingson, who walked down 78 flights of stairs to escape Tower 1 of the World Trade Center after it was hit -- a feat he couldn't accomplish without the help of his guide dog, Roselle.</p>