Producing milk and making cheese are essential industries in the Yorkshire Dales National Park.    But what’s the story behind the great tradition of cheese in the Dales?  Find out in ‘Cheese Past’, the first of two Voices From The Dales podcast episodes dedicated to cheese.   Presented by Andrew Fagg, in Hawes, hear the voices of Brian Sunter, Margaret Watson, Matthew Bell, Eleanor Scarr, Kit Calvert, Derek Ramsden and Iona Hill.