By Ali Lyon GB News’s victory over Talk TV happened in two ways: gradually and then all at once. The start-up broadcaster was winning in the ratings war with the Murdoch-backed channel from the moment the latter launched in April 2022. Its viewership, while hardly mainstream, grew steadily in the face of over a dozen Ofcom complaints, raking in audiences that regularly beat its more storied rolling news rivals, Sky and BBC News, at peak times. Over the same period, it also gradually cemented its place as the “house broadcaster” of the Conservative Party, partly via a much-criticised strategy o…