EXETER, England (Reuters) - Michael Jackson was knocked to the ground Friday by excited fans fighting to touch the pop legend at a London railway station. The American superstar, jostled and pushed in the melee, was lucky to escape injury as mass hysteria gripped his die-hard admirers. "It was just horrifying ... he was knocked to the ground," said spoon-bending psychic Uri Geller who had invited Jackson on a fund-raising charity trip to the southwest English city of Exeter. "I honestly thought we wouldn't make it and we would end up in hospital," Geller told Reuters Television after battling to...