LONDON (Reuters) – He has the most-watched video in Youtube history, become a pop sensation with a horse-riding dance craze that has swept the world and now Korean singer Psy may cement his place in popular culture with recognition from a British dictionary. "Gangnam Style," Psy's signature song, has been chosen along with "fiscal cliff" and "Romneyshambles" as some of Collins Dictionary's words of the year. "We were looking for words that told the story of the year," said Ian Brookes, the dictionary's consultant editor. …
