Rhodri Lewis sits in for Vaughan Roderick. Guests include Wales social justice minister Jane Hutt; Lord Carlile of Berriew; Dr Simon Middleburgh, a Reader in nuclear materials at the Nuclear Futures Institute in Bangor University; Welsh Labour MS Mick Antoniw; Dr Lise Butler, a senior lecturer in Modern History at City University; Professor Sir Deian Hopkin, an historian, former vice chancellor and former President of the National Library of Wales; Russell Sandberg - he's a Professor in Law at Cardiff University; and Lord Dafydd Elis-Thomas.