The Big Questions comes from Manor CE Academy in York. Nicky Campbell asks just one very big question - is the NHS still fit for purpose?Taking part in this special edition are: Lord Kerslake, former chair, King's College Hospital NHS Foundation Trust, Niall Dickson, chief executive, NHS Confederation, Adam Kay, author, This is Going to Hurt: Secret Diaries of a Junior Doctor, professor Nadey Hakim, transplant surgeon and president's envoy, Imperial College London, professor Neena Modi, neonatal consultant, Imperial College London, Alex Hitchcock, Reform, GPs doctor Bob Gill and doctor Una Coales, professor Celia Kitzinger, Coma and Disorders of Consciousness Research Centre, Rabbi doctor Jonathan Romain, Dignity in Dying and Andrew Grey, author, Dignity at the End of Life: What's Beneath the Assisted Dying Debate?