As the first new trains for the South Wales Metro are officially rolled out, James Williams and Daniel Davies quiz the head of Transport for Wales, James Price, on that project's timetables and increasing costs as well as TfW's plans for the rest of the country and the future for bus services. Plus Huw Irranca-Davies MS, chair of the Senedd's Legislation, Justice and Constitution committee, on concerns that UK government legislation to scrap EU-era rules and regulations could undermine devolution.