Article Photos: Op should reduce Texas tiger's arthritic pain 3/4

Tacoma, a 13-year-old Siberian tiger, is shown in his enclosure at InSync Exotics animal preserve Monday, March 18, 2013, in Wylie, Texas. Tacoma is the first tiger in the US  to go through a nerve surgery to alleviate pain caused from hip dysplasia. (AP Photo/John L. Mone)