By David Ljunggren OTTAWA (Reuters) – Britain has suspended talks on a free trade deal with Canada amid unhappiness on both sides about the lack of access to agricultural markets, Canadian officials said on Thursday. The talks – which started in March 2022 – are among a number of negotiations Britain has launched around the world in the wake of its decision to leave the European Union, which excluded it from existing EU free trade deals. “We are disappointed that negotiations with the UK are being paused. Their decision to continue to maintain market access barriers for our agriculture industr…