What is it about devolution, Llywydd, that Plaid Cymru does not understand? [Interruption.] Where have they been? [Interruption.] Where have they been for the last 20 years? Scottish politicians make decisions based on what they believe to be right for Scotland. This Assembly makes decisions on what we believe is right for Wales. What is it about that simple proposition that Plaid Cymru find it so difficult to grasp?