LONDON (Reuters) – British Prime Minister Rishi Sunak told his Irish counterpart Micheal Martin his preference was for a negotiated solution to a dispute with the European Union over post-Brexit trade with Northern Ireland, a Downing Street spokeswoman said. “Discussing the Northern Ireland Protocol, the prime minister set out that his preference remained a negotiated outcome and hoped all parties would approach the current challenges with pragmatism and goodwill,” the spokeswoman for Sunak’s office said, following a call between the pair. “Both undertook to continue discussions in the coming …