The British Prime Minister has called it “one of the greatest miscarriages of justice in our nation’s history.” Over a 15-year period, more than 900 managers of post offices across the UK were wrongly accused of theft and false accounting because of a glitch in an IT system operated by the Japanese firm Fujitsu. Some postal workers were jailed, others left bankrupt, and a number took their own lives. This week, Fujitsu apologized for its role in the scandal as The World’s Europe correspondent Orla Barry reports