A severely abused kitten named Mercy was put down Wednesday after doctors found her spine was broken. "Her spine was just smashed," said Missoula Animal Control shelter attendant Barb Parker. "It only showed up on high resolution, but the vertebrae were just squished. He stomped her good and really hurt her back, so there was nothing to do." The shelter adopted the kitten out only to see her returned this week after a brutal beating left her pelvis smashed and an eye filling with blood. The 4-month-old kitten's owner had allegedly tried to drown her in the toilet, and apparently...