The Importance of Multitasking

CNN's John Sutter talks about how his love of walking has changed the way he moves through his day. "I can't even explain the way the frustration I feel when I'm driving," says writer and photographer, who is a terrible driver. Walking allows him to stop back up, peek into a garage, look down a side street, stop an investigative tree. 'It keeps my brain a little more activated,' she says.