** FILE ** In this May 10, 2000 file photo, ...

Special to The Vindicator | published: October 20, 2010

** FILE ** In this May 10, 2000 file photo, Nationally recognized animal expert Jack Hanna grabs the tusk of a black rhino after helping Busch Gardens Tampa Bay unveil plans for their newest attraction "Rhino Rally" in Tampa, Fla. David Letterman's producers like it when Jack Hanna's zoo animals run amok on the show because it's good for laughs. Hanna, director emeritus of the Columbus Zoo, recounts 25 years of television appearances in his new autobiography. (AP Photo/Chris O'Meara)