Jack Hanna wards off grizzly with pepper spray

Zoo keeper Jack Hanna arrives for a taping of "The Late Show with David Letterman" in New York, Monday, March 9, 2009. (AP Photo/Charles Sykes)

July 27, 2010 7:49:19 AM PDT
TV host and zookeeper Jack Hanna says he took his own advice and used pepper spray on grizzlies headed toward him.

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