Jack Hanna

by AP File Photo
| October 19, 2011 10:25 AM

FILE - This March, 2009 file photo, shows Jack Hanna in New York City for a taping with David Letterman. TV host and zookeeper Jack Hanna says he took his own advice and used pepper spray on grizzlies headed toward him in Montana's Glacier National Park on Saturday. (AP Photo/Charles Sykes, File)