John Colapinto on vocal-cord injuries

This week in the magazine, John Colapinto writes about Dr. Steven Zeitels, who has treated the vocal cords of many famous singers, including Adele, James Taylor, Cher, and Roger Daltrey. Here, Colapinto talks with Sasha Weiss about his own damaged vocal cords and the mysterious powers of the human voice. Also, David Owen on his Purell conversion.