ABILENE -- One of the two American black bears at the Abilene Zoo died after apparently choking on a piece of meat. Boo Boo's body was found about 5 p.m. Monday, 30 minutes after the bears were fed. Once the second bear, Teddy, 13, was moved, the zoo staff made a quick examination and confirmed that Boo Boo, 9, had died. Dr. Clay Hilton, the zoo's consulting veterinarian, said Boo Boo must have eaten quickly and regurgitated a large, unchewed piece of meat that lodged in his windpipe. Boo Boo was known for his never-ending quest for snacks and his...