Britain's political turmoil shatters its pragmatic image

LISBON: When the United Kingdom walked out of the European Union two years ago, Brexit supporters believed British pragmatism and common sense would not only see them through but also allow their country to flourish as it stood alone.
That self-image was, many felt, part of British exceptionalism, part of the national brand.
Events of the past 12 months, with three British prime ministers occupying No. 10 Downing Street after Liz Truss quit Thursday following just 45 days in office, have…