For Adventurer Erik Weihenmayer, Blindness No Barrier To Kayaking The Grand Canyon

Though he became blind in his teens, Erik Weihenmayer didn't let his lack of sight prevent him from summitting Mount Everest or kayaking the Grand Canyon.

Here & Now's Eric Westervelt (@Ericnpr) revisits his conversation with Weihenmayer (@ErikWeihenmayer) about his book "No Barriers: A Blind Man's Journey to Kayak the Grand Canyon" from March 2017.