By Lizzy Buchan & Sanjeeta Bains Post Office staff wrongly convicted over the IT scandal have been told they will finally be exonerated, but the man who led the campaign to clear their names has warned the compensation on offer does not go far enough. Daily Mirror Pride of Britain winner and campaign hero Alan Bates spoke out after Rishi Sunak confirmed a new law for an unprecedented blank acquittal for those whose lives were turned upside down in the scandal, leaving them with criminal records, psychological trauma and in many cases bankrupt or even in jail. There were also suicides and sever…