US President Donald Trump’s surprise announcement of 25 per cent tariffs on imports from key trade partners including South Korea and Japan has been viewed less as a final blow and more as a high-stakes bargaining tactic. The move highlights Trump’s preference for brinkmanship-style deal-making and leaves room for diplomacy, as Seoul races to craft its response ahead of the new August 1 deadline, according to analysts. South Korea’s presidential office convened an emergency meeting of cabinet...