London CNN — After a piece of software incorrectly showed that money had gone missing, a trusted, centuries-old British government corporation used its financial and legal might to convict and bankrupt hundreds of people who ran its branches. Some family members say their loved-ones were left so distressed they took their own lives. This could be the plot of a dystopian novel, but it describes the real-life ordeal that scores of the so-called sub-postmasters of the UK Post Office went through be...