New series 1/6. Beards. When Clarence Willcock refused to present his ID card to a police officer in 1950, it led to a test case in the High Court. Jonathan F Freedland is joined by Shami Chakrabarti of Liberty. Martin Linton MP - who developed the prototype of the new biometric cards - and Peter Byrne, alias Andy Crawford in Dixon of Dock Green, to debate ID cards in 1950s Britain and in Britain today. Repeated at 9.30pm