CHICAGO (AFP) – A pit bull is on probation after ripping the bumper off a police car and chewing the tires on three other cars flat as two other dogs barked and wagged their tails, local media reported Friday. The brown and white mixed breed named Winston spent two weeks locked up in the Chattannooga, Tennessee animal shelter after the bizarre attack was captured on a police surveillance camera. His owners said they had no clue why he went wild that day, chewing through two fences and attacking four different cars. He'd never shown any aggression before that day, owner...