CAMBRIDGE, England (Reuters) -Jeff Zucker, the chief executive of Abu Dhabi-backed RedBird IMI, said Britain's regulation of media and financial markets was deterring investment and holding back economic growth. RedBird IMI bought Britain's All3Media, the producer of hit TV show "The Traitors," last year for 1.15 billion pounds ($1.43 billion). It also agreed to buy Britain's Daily Telegraph newspaper in 2023, but it scrapped the deal after the government intervened to stop foreign states owning newspape ...