Telegraph: The makers of a Channel 4 documentary which claimed that global warming is a swindle misrepresented the views of some of the world’s leading climate scientists, the media watchdog is expected to rule next week. In a judgment at the end of a 15-month enquiry, Ofcom is expected to censure the channel over The Great Global Warming Swindle, broadcast in March last year. The film sparked outcry from environmentalists and led to a complaint from a group of senior scientists about …