In the little parish church the bride and bridegroom take their vows. But what does marriage hold when the newly-weds are both out of work? In the Dearne Valley of the South Yorkshire coalfields, unemployment is nothing new. For 25 years, the dole queues have been growing as local pits have contracted or closed altogether. But no part of this valley has suffered more than the Dearne Towns, where unemployment is approaching 30 per cent - more than twice the national average. Now the pits face further upheaval, and with no new industries coming in Richard Wells reports on the desperate plight of a community contemplating economic extinction.