This new brain game invites contenders to take the stand and defend their claim to the title of Mastermind of the United KingdomThey have two minutes in which to establish their knowledge of a chosen subject with a further two minutes to consolidate their position by answering questions right across the board.Tonight's programme comes from The University of LiverpoolContenders Mary Grummitt, Dr Michael Dewar, Vera Gallagher, Patrick MaherInterrogator Magnus Magnusson