When newly elected Labour MP Carolyn Harris entered Parliament in 2015, she was keen to take up worthy causes. And when women complained that they had lost out because the Government had failed to inform them that their state pension age would rise from 60 to 65, the new MP quickly became one of their biggest advocates in Westminster. An all-party parliamentary group (APPG) on the matter was soon formed. “In the beginning it was quite a happy little bunch and everything was fine,” Ms Harris said. But Ms Harris, who chaired the group, told The Telegraph it was not long before the mood soured as campaigners disagreed on what demands to make. “Cracks started appearing. Different women got together then another group of women got together. There were definitely a few camps.” A splinter group emerged that called itself “Backto60” and demanded that their old pension age be restored and for women to get every penny they had missed out on. It was more hardline than the Women Against State Pension Inequality or “Waspi” campaign, which grew from the same APPG, but decided to appeal to the Parliamentary Ombudsman rather than take legal action. Last month, Waspis were victorious...